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Колекција високог моћи резистора

High Power Resistor Collection - Resistors for Filtering and Braking Applications

  • Air-cooled passively/actively and liquid-cooled
  • Adapted for harsh environmental conditions
  • Tubular elements made of stainless steel
  • High IP ratings
Type Power Operating Voltage Protection Level Cooling
WHDN 40 - 1,450 kW 1kVAC / 1.4 kVDC IP65/IP66 Liquid
WHHB 5 - 25 kW 4.7 kVAC / 6.6 kVDC IP00/IP65 Liquid
WHBS 6 - 100 kW 1kVAC / 1.4 kVDC IP00/IP66 Liquid
WHB 6 - 23 kW 1kVAC / 1.4 kVDC IP00/IP65 Liquid
HVB 0.6 – 1.2 kW 4.5 kVAC / 6.41kVDC IP65 Air
HVBW 0.6 – 1.2 kW 4.5 kVAC / 6.41kVDC IP65 Air
TRV 50 - 275 kW 1kVAC / 1.4 kVDC IP65/IP66 Forced air
GxxRT 3 - 32 kW 1kVAC / 1.4 kVDC IP65/IP66 Air


WHDN Resistors

Fully welded, steel tank WHDN resistors are offered with tanks ranging in diameter from 100mm to 300mm.

A single resistor consists of steel elements with a diameter of 16mm, which are welded to a ring that is positioned within the tank. Different alloys can be used for the resistor elements, tank, and also the junction box. The resistor is positioned within the ring and sealed with a gasket. This design enables the resistor to be opened and the tank to be cleaned from the inside.

The electrical connection can be single, star/delta, or multiple. Inside the junction box, there are main terminals and auxiliary circuits, such as junction box heating, thermal protection circuits, and air bubble detection.

The resistor can be equipped with drainage, closing, or pressure relief valves. The standard mounting position is horizontal, but vertical mounting options are also possible (with height limitations).

Rated Power 40 kW - 1450 kW
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 5 Hz 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry Conditions > 20 MΩ
Overload at One-Second Pulse per Hour 8 x Pn (depends on Ω value)
Overload at Five-Second Pulse per Hour 4 x Pn (depends on Ω value)
Resistance Tolerance Standard ± 10%
Optional ± 5% / ± 3%
Temperature Coefficient 20 °C - 400 °C 100 ppm/K
Resistor Heating Time Constant 30 s
Protection Level IP65 / IP66
Cooling Liquid Water/water-glycol
Maximum Inlet Coolant Temperature No Value Loss * 60 °C
∆T Input/Output (Recommended) 10 K - 20 K
Pressure Drop at Pn and ∆20K 0.3 bar
Materials
Container Standard AISI 304
Optional AISI 316
Junction Box Standard AISI 304
Optional AISI 316
Resistance Elements Standard AISI 304
Optional AISI 316 & 321, incoloy800 &825
Choke Standard Plate without holes
Optional Nickel-plated brass/ AISI 304
Installation, Maintenance, and Storage Instructions Available document
Water Temperature Protection Thermostat
-Range (recommended 10K + Outlet water temperature) 0 °C - 150 °C
-Contact Variable contact
-Maximum Current 16 A
Air Bubble Protection Thermostat
-Range (recommended 180°C) 50 °C - 300 °C
-Contact Variable contact
-Maximum Current 16 A
Moisture Protection Heating Cable 20-30W 230V
-Voltage Optional 115 V
Factory Approval Tests Setting/Dimension Inspection
Resistance Value
Insulation Resistance
Dieletric Strength
Pressure Test
Optional Certified Whole Test
PT100 + Transducer Optional
Pressure Sensor 4-20mA Optional

* Depends on cooling fluid pressure and additives



Aluminum-cased WHBH resistors have high operating voltage. The active resistor wire has direct contact with the cooling fluid and must be cooled with demineralized water with or without glycol. Water input and output are located on the back side, opposite to the electrical connections.

Fully welded WHBH 16 resistor can have 3 or 6 steel tubes with a diameter of 16mm, welded to a steel tank. The water input and output can be on the top or on the back of the resistor. The connection can be open style with M6 threaded rods, IP00, or the resistor can be equipped with a junction box IP65/IP66.

Fully welded WHBH 32.4 resistor has mica-insulated elements. It has high operating voltage. Water output and input are located on the back side.

All fully welded resistors have undergone a pressure test of 12 psi according to EN 13445.

Resistor WHB 16.3 has an aluminum casing with seals. It has three tubular resistor elements and can be with or without a junction box. Water output and input are located on the back side.

HVB resistors are aluminum-cased resistors for applications with high energy surges. They have high operating voltage. The resistor is insulated and filled with sand (SiO) or magnesium oxide (MgO) to withstand energy surges.


General Specification WHHB

Rated Power Standard 25 kW
Operating Voltage 4.7 kVAC / 6.6 kVDC
Dielectric Strength at 50 Hz for 1 min 20 kVAC
Resistance Tolerance 5000 VDC ± 10%
± 5%
Maximum Current 160 A
500 A
Protection Degree IP00 / IP65
Coolant Demineralized water or Demineralized water/glycol
-fluid conductivity ≤ 2 µS/cm
-maximum inlet coolant temperature * 60 °C
-ΔT inlet/outlet (recommended) ≤15 K
-pressure drop at 30L/min ≤ 0.5 bar
Materials
-housing (non-contact with fluid) Anodized aluminum
-resistive elements Nickel-chrome alloy
Operating Pressure 6 bars at 55 °C
Test Pressure 10 bars at 20°C

* Depends on the coolant pressure and additives



General Specification WHBS 16

Rated Power 6 kW - 200 kW
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 50 Hz for 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Overload for one-second pulse per hour 8 x Pn (depends on Ω value)
Overload for five-second pulse per hour 4 x Pn (depends on Ω value)
Resistance Tolerance Standard ± 10%
Optional ± 5% / ± 3%
Temperature Coefficient 20 °C - 400 °C 100 ppm/K
Resistance Heating Time Constant 30 s
Protection Degree IP00 / IP65 / IP66
Maximum Inlet Coolant Temperature * 60 °C
ΔT Inlet/Outlet (recommended) 10 - 20 K
Operating Pressure 6 bars at 55 °C
Test Pressure 12 bars at 20 °C
According to EN 13445 16 bars at 20 °C
Coolant Water/water-glycol
Materials
Tank Standard AISI 304
Optional AISI 316
Terminal Box Standard AISI 304
Optional AISI 316
Resistive Elements Standard AISI 304
Optional AISI 316 & 321, incoloy800 &825
Drain/Air Vent Optional
Temperature Protection Standard Thermostat
-normally closed 16 A at 230 VAC
PT100 Temperature Sensor Optional
Air Bubble Protection Optional Thermostat
Moisture Protection Optional Heating Cable 15-30W
-voltage optional 115 V or 230 V

* Depends on the coolant pressure and additives



General Specification WHBS 32.4.485

Rated Power 3 kW - 6 kW
Operating Voltage 1000 VAC - 3000 VAC
Dielectric Strength at 50Hz for 1 min 10 kVAC
Insulation Resistance at 5000 VDC Dry conditions >> 20 MΩ
Overload for one-second pulse per hour 20 x Pn (depends on Ω value)
Overload for five-second pulse per hour 10 x Pn (depends on Ω value)
Resistance Tolerance Standard ± 10%
Optional ± 5% / ± 3%
Resistance Heating Time Constant 60 s
Protection Degree IP00
Maximum Inlet Coolant Temperature * 60 °C
ΔT Inlet/Outlet (recommended) 10 - 20 K
Operating Pressure 6 bars at 55 °C
Test Pressure 12 bars at 20 °C
According to EN 13445 16 bars at 20 °C
Pressure Drop at 9L/min 0.5 bar
Coolant Water/water-glycol
Material (fully welded tank) Standard AIS 304

* Depends on the coolant pressure and additives



General Specification WHB

Rated Power 6 kW - 23 kW
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 50Hz for 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Overload for one-second pulse per hour 8 x Pn (depends on Ω value)
Overload for five-second pulse per hour 4 x Pn (depends on Ω value)
Resistance Tolerance Standard ± 10%
Optional ± 5% / ± 3%
Temperature Coefficient 20 °C - 400 °C 100 ppm/K
Resistance Heating Time Constant 30 s
Maximum Inlet Coolant Temperature * 60 °C
ΔT Inlet/Outlet (recommended) 10 - 20 K
Operating Pressure 6 bars at 55 °C
Test Pressure 10 bars at 20 °C
According to EN 13445 11 bars at 20 °C
Pressure Drop at 9L/min 0.5 bar
Cooling Connection ¼" / ½"
Enclosure Material Anodized Aluminium
- Junction Box Optional Aluminium


General Specification HVB

Energy Range 5s* HVB 70.400.1 150 kJ – 285 kJ
HVB 70.400.2 300 kJ – 570 kJ
Resistance Tolerance ± 10%
Temperature Coefficient 100 ppm/K
Operating Voltage 4,500 VAC / 6,360 VDC
Dielectric Strength at 50Hz for 1 min 10 kV
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Connection Standard Radox Cable 1000mm
Protection Degree IP65
Cooling Natural Air
Enclosure Material Anodized Aluminium

*Depends on resistance



General Specification HVBW

Energy Range 5s* HVBW 70.400.1 150 kJ – 285 kJ
HVBW 70.400.2 300 kJ – 570 kJ
Resistance Tolerance ± 10%
Temperature Coefficient 100 ppm/K
Operating Voltage 4,500 VAC / 6,360 VDC
Dielectric Strength at 50Hz for 1 min 10 kV
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Connection Standard Radox Cable 1000mm
Protection Degree IP65
Cooling Natural Air
Enclosure Material Stainless Steel AISI 316L

Steel tube resistors, actively cooled by air, have two or four powerful fans as active cooling. Tubes can be made from various alloys to match environmental conditions. The housing and junction box are offered in AISI304 and ASIS316. Inside the junction box are main terminals, cabin heater, and all secondary circuits. The protection degree is IP65 or IP66.

GxxRT are naturally cooled steel tube resistors. They can have three, nine, ten, or twelve tubes welded to the housing. The junction box contains main terminals and all auxiliary circuits. The protection degree is IP65. A protective grille is optional.



General Specification TRV

Power Range 50kW – 275kW
Temperature Coefficient 20 °C - 400 °C 85 ppm/K
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 50 Hz for 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry conditions >> 10 MΩ
Overload at 5-second pulse per hour 7 x Pn (depends on Ω value)
Overload at 10-second pulse per hour 5 x Pn (depends on Ω value)
Resistance Tolerance standard ± 10%
optional ± 5% / ± 3%
Electrical Circuit Connection standard Single Resistor Unit
optional Star/Delta/Separation
Environmental Conditions Temperature Range -20 °C - 40 °C
Altitude 1000m
Resistance Heating Time Constant 60 s
Protection Degree IP65/IP66
Fans Standard Voltage 415 V, 3-phase, 50 Hz
Optional Voltage 430 V, 3-phase, 60 Hz
Power 1.5 kW per motor
Protection Degree IP66
Air Flow 5000 m3/h per motor
Motor Steel
Air Inlet/Outlet ΔT ≈ 50 K
Materials
-Brackets/Panels Standard AISI 304
optional AISI 316L
-Junction Box Standard AISI 304
optional AISI 316L
-Resistance Elements Standard AISI 321
optional AISI 304, AISI 316L, incoloy800 and 825
-Choke Standard Nickel-Plated Brass/ AISI 304
optional Plate without holes
Moisture Protection Heating Wire 100-120W 230V
-Voltage Optional 115 V
Factory Approval Tests Setting/Dimension Inspection
Resistance Value
Insulation Resistance
Dielectric Strength
Optional Certified Whole Test


General Specification GxxRT

Power Range 3kW – 32kW
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 50 Hz for 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Overload at 5-second pulse per hour 10 x Pn (depends on Ω value)
Overload at 10-second pulse per hour 7 x Pn (depends on Ω value)
Resistance Tolerance standard ± 10%
Optional ± 5% / ± 3%
Temperature Coefficient 20 °C - 400 °C 100 ppm/K
Resistance Heating Time Constant
Protection Degree IP65
Cooling Natural Air
Configuration Standard Single Phase
Optional Star/Delta 3-phase
Optional Multi-segment
Thermal Protection Standard Thermal Switch
-Normally Closed Connection 2 A at 250 VAC, 50 Hz, cos 0.95
Moisture Protection Heating Wire 100-120W 230V
-Voltage Optional 115 V
Mechanical Protection from Direct Contact with Hot Elements Optional Protective Grid
Materials
-Housing Standard AISI 304
Optional AISI 316
-Junction Box Standard AISI 304
Optional AISI 316
-Resistance Elements Standard AISI 304
Optional AISI 304, AISI 316L, incoloy800 and 825
Factory Approval Tests Setting/Dimension Inspection
Resistance Value
Insulation Resistance
Dielectric Strength
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High Power Resistor Collection - Resistors for Filtering and Braking Applications

  • Air-cooled passively/actively and liquid-cooled
  • Adapted for harsh environmental conditions
  • Tubular elements made of stainless steel
  • High IP ratings
Type Power Operating Voltage Protection Level Cooling
WHDN 40 - 1,450 kW 1kVAC / 1.4 kVDC IP65/IP66 Liquid
WHHB 5 - 25 kW 4.7 kVAC / 6.6 kVDC IP00/IP65 Liquid
WHBS 6 - 100 kW 1kVAC / 1.4 kVDC IP00/IP66 Liquid
WHB 6 - 23 kW 1kVAC / 1.4 kVDC IP00/IP65 Liquid
HVB 0.6 – 1.2 kW 4.5 kVAC / 6.41kVDC IP65 Air
HVBW 0.6 – 1.2 kW 4.5 kVAC / 6.41kVDC IP65 Air
TRV 50 - 275 kW 1kVAC / 1.4 kVDC IP65/IP66 Forced air
GxxRT 3 - 32 kW 1kVAC / 1.4 kVDC IP65/IP66 Air


WHDN Resistors

Fully welded, steel tank WHDN resistors are offered with tanks ranging in diameter from 100mm to 300mm.

A single resistor consists of steel elements with a diameter of 16mm, which are welded to a ring that is positioned within the tank. Different alloys can be used for the resistor elements, tank, and also the junction box. The resistor is positioned within the ring and sealed with a gasket. This design enables the resistor to be opened and the tank to be cleaned from the inside.

The electrical connection can be single, star/delta, or multiple. Inside the junction box, there are main terminals and auxiliary circuits, such as junction box heating, thermal protection circuits, and air bubble detection.

The resistor can be equipped with drainage, closing, or pressure relief valves. The standard mounting position is horizontal, but vertical mounting options are also possible (with height limitations).

Rated Power 40 kW - 1450 kW
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 5 Hz 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry Conditions > 20 MΩ
Overload at One-Second Pulse per Hour 8 x Pn (depends on Ω value)
Overload at Five-Second Pulse per Hour 4 x Pn (depends on Ω value)
Resistance Tolerance Standard ± 10%
Optional ± 5% / ± 3%
Temperature Coefficient 20 °C - 400 °C 100 ppm/K
Resistor Heating Time Constant 30 s
Protection Level IP65 / IP66
Cooling Liquid Water/water-glycol
Maximum Inlet Coolant Temperature No Value Loss * 60 °C
∆T Input/Output (Recommended) 10 K - 20 K
Pressure Drop at Pn and ∆20K 0.3 bar
Materials
Container Standard AISI 304
Optional AISI 316
Junction Box Standard AISI 304
Optional AISI 316
Resistance Elements Standard AISI 304
Optional AISI 316 & 321, incoloy800 &825
Choke Standard Plate without holes
Optional Nickel-plated brass/ AISI 304
Installation, Maintenance, and Storage Instructions Available document
Water Temperature Protection Thermostat
-Range (recommended 10K + Outlet water temperature) 0 °C - 150 °C
-Contact Variable contact
-Maximum Current 16 A
Air Bubble Protection Thermostat
-Range (recommended 180°C) 50 °C - 300 °C
-Contact Variable contact
-Maximum Current 16 A
Moisture Protection Heating Cable 20-30W 230V
-Voltage Optional 115 V
Factory Approval Tests Setting/Dimension Inspection
Resistance Value
Insulation Resistance
Dieletric Strength
Pressure Test
Optional Certified Whole Test
PT100 + Transducer Optional
Pressure Sensor 4-20mA Optional

* Depends on cooling fluid pressure and additives



Aluminum-cased WHBH resistors have high operating voltage. The active resistor wire has direct contact with the cooling fluid and must be cooled with demineralized water with or without glycol. Water input and output are located on the back side, opposite to the electrical connections.

Fully welded WHBH 16 resistor can have 3 or 6 steel tubes with a diameter of 16mm, welded to a steel tank. The water input and output can be on the top or on the back of the resistor. The connection can be open style with M6 threaded rods, IP00, or the resistor can be equipped with a junction box IP65/IP66.

Fully welded WHBH 32.4 resistor has mica-insulated elements. It has high operating voltage. Water output and input are located on the back side.

All fully welded resistors have undergone a pressure test of 12 psi according to EN 13445.

Resistor WHB 16.3 has an aluminum casing with seals. It has three tubular resistor elements and can be with or without a junction box. Water output and input are located on the back side.

HVB resistors are aluminum-cased resistors for applications with high energy surges. They have high operating voltage. The resistor is insulated and filled with sand (SiO) or magnesium oxide (MgO) to withstand energy surges.


General Specification WHHB

Rated Power Standard 25 kW
Operating Voltage 4.7 kVAC / 6.6 kVDC
Dielectric Strength at 50 Hz for 1 min 20 kVAC
Resistance Tolerance 5000 VDC ± 10%
± 5%
Maximum Current 160 A
500 A
Protection Degree IP00 / IP65
Coolant Demineralized water or Demineralized water/glycol
-fluid conductivity ≤ 2 µS/cm
-maximum inlet coolant temperature * 60 °C
-ΔT inlet/outlet (recommended) ≤15 K
-pressure drop at 30L/min ≤ 0.5 bar
Materials
-housing (non-contact with fluid) Anodized aluminum
-resistive elements Nickel-chrome alloy
Operating Pressure 6 bars at 55 °C
Test Pressure 10 bars at 20°C

* Depends on the coolant pressure and additives



General Specification WHBS 16

Rated Power 6 kW - 200 kW
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 50 Hz for 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Overload for one-second pulse per hour 8 x Pn (depends on Ω value)
Overload for five-second pulse per hour 4 x Pn (depends on Ω value)
Resistance Tolerance Standard ± 10%
Optional ± 5% / ± 3%
Temperature Coefficient 20 °C - 400 °C 100 ppm/K
Resistance Heating Time Constant 30 s
Protection Degree IP00 / IP65 / IP66
Maximum Inlet Coolant Temperature * 60 °C
ΔT Inlet/Outlet (recommended) 10 - 20 K
Operating Pressure 6 bars at 55 °C
Test Pressure 12 bars at 20 °C
According to EN 13445 16 bars at 20 °C
Coolant Water/water-glycol
Materials
Tank Standard AISI 304
Optional AISI 316
Terminal Box Standard AISI 304
Optional AISI 316
Resistive Elements Standard AISI 304
Optional AISI 316 & 321, incoloy800 &825
Drain/Air Vent Optional
Temperature Protection Standard Thermostat
-normally closed 16 A at 230 VAC
PT100 Temperature Sensor Optional
Air Bubble Protection Optional Thermostat
Moisture Protection Optional Heating Cable 15-30W
-voltage optional 115 V or 230 V

* Depends on the coolant pressure and additives



General Specification WHBS 32.4.485

Rated Power 3 kW - 6 kW
Operating Voltage 1000 VAC - 3000 VAC
Dielectric Strength at 50Hz for 1 min 10 kVAC
Insulation Resistance at 5000 VDC Dry conditions >> 20 MΩ
Overload for one-second pulse per hour 20 x Pn (depends on Ω value)
Overload for five-second pulse per hour 10 x Pn (depends on Ω value)
Resistance Tolerance Standard ± 10%
Optional ± 5% / ± 3%
Resistance Heating Time Constant 60 s
Protection Degree IP00
Maximum Inlet Coolant Temperature * 60 °C
ΔT Inlet/Outlet (recommended) 10 - 20 K
Operating Pressure 6 bars at 55 °C
Test Pressure 12 bars at 20 °C
According to EN 13445 16 bars at 20 °C
Pressure Drop at 9L/min 0.5 bar
Coolant Water/water-glycol
Material (fully welded tank) Standard AIS 304

* Depends on the coolant pressure and additives



General Specification WHB

Rated Power 6 kW - 23 kW
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 50Hz for 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Overload for one-second pulse per hour 8 x Pn (depends on Ω value)
Overload for five-second pulse per hour 4 x Pn (depends on Ω value)
Resistance Tolerance Standard ± 10%
Optional ± 5% / ± 3%
Temperature Coefficient 20 °C - 400 °C 100 ppm/K
Resistance Heating Time Constant 30 s
Maximum Inlet Coolant Temperature * 60 °C
ΔT Inlet/Outlet (recommended) 10 - 20 K
Operating Pressure 6 bars at 55 °C
Test Pressure 10 bars at 20 °C
According to EN 13445 11 bars at 20 °C
Pressure Drop at 9L/min 0.5 bar
Cooling Connection ¼" / ½"
Enclosure Material Anodized Aluminium
- Junction Box Optional Aluminium


General Specification HVB

Energy Range 5s* HVB 70.400.1 150 kJ – 285 kJ
HVB 70.400.2 300 kJ – 570 kJ
Resistance Tolerance ± 10%
Temperature Coefficient 100 ppm/K
Operating Voltage 4,500 VAC / 6,360 VDC
Dielectric Strength at 50Hz for 1 min 10 kV
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Connection Standard Radox Cable 1000mm
Protection Degree IP65
Cooling Natural Air
Enclosure Material Anodized Aluminium

*Depends on resistance



General Specification HVBW

Energy Range 5s* HVBW 70.400.1 150 kJ – 285 kJ
HVBW 70.400.2 300 kJ – 570 kJ
Resistance Tolerance ± 10%
Temperature Coefficient 100 ppm/K
Operating Voltage 4,500 VAC / 6,360 VDC
Dielectric Strength at 50Hz for 1 min 10 kV
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Connection Standard Radox Cable 1000mm
Protection Degree IP65
Cooling Natural Air
Enclosure Material Stainless Steel AISI 316L

Steel tube resistors, actively cooled by air, have two or four powerful fans as active cooling. Tubes can be made from various alloys to match environmental conditions. The housing and junction box are offered in AISI304 and ASIS316. Inside the junction box are main terminals, cabin heater, and all secondary circuits. The protection degree is IP65 or IP66.

GxxRT are naturally cooled steel tube resistors. They can have three, nine, ten, or twelve tubes welded to the housing. The junction box contains main terminals and all auxiliary circuits. The protection degree is IP65. A protective grille is optional.



General Specification TRV

Power Range 50kW – 275kW
Temperature Coefficient 20 °C - 400 °C 85 ppm/K
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 50 Hz for 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry conditions >> 10 MΩ
Overload at 5-second pulse per hour 7 x Pn (depends on Ω value)
Overload at 10-second pulse per hour 5 x Pn (depends on Ω value)
Resistance Tolerance standard ± 10%
optional ± 5% / ± 3%
Electrical Circuit Connection standard Single Resistor Unit
optional Star/Delta/Separation
Environmental Conditions Temperature Range -20 °C - 40 °C
Altitude 1000m
Resistance Heating Time Constant 60 s
Protection Degree IP65/IP66
Fans Standard Voltage 415 V, 3-phase, 50 Hz
Optional Voltage 430 V, 3-phase, 60 Hz
Power 1.5 kW per motor
Protection Degree IP66
Air Flow 5000 m3/h per motor
Motor Steel
Air Inlet/Outlet ΔT ≈ 50 K
Materials
-Brackets/Panels Standard AISI 304
optional AISI 316L
-Junction Box Standard AISI 304
optional AISI 316L
-Resistance Elements Standard AISI 321
optional AISI 304, AISI 316L, incoloy800 and 825
-Choke Standard Nickel-Plated Brass/ AISI 304
optional Plate without holes
Moisture Protection Heating Wire 100-120W 230V
-Voltage Optional 115 V
Factory Approval Tests Setting/Dimension Inspection
Resistance Value
Insulation Resistance
Dielectric Strength
Optional Certified Whole Test


General Specification GxxRT

Power Range 3kW – 32kW
Operating Voltage 1000 VAC / 1400 VDC
Dielectric Strength at 50 Hz for 1 min 3,500 VAC
Insulation Resistance at 5000 VDC Dry conditions > 20 MΩ
Overload at 5-second pulse per hour 10 x Pn (depends on Ω value)
Overload at 10-second pulse per hour 7 x Pn (depends on Ω value)
Resistance Tolerance standard ± 10%
Optional ± 5% / ± 3%
Temperature Coefficient 20 °C - 400 °C 100 ppm/K
Resistance Heating Time Constant
Protection Degree IP65
Cooling Natural Air
Configuration Standard Single Phase
Optional Star/Delta 3-phase
Optional Multi-segment
Thermal Protection Standard Thermal Switch
-Normally Closed Connection 2 A at 250 VAC, 50 Hz, cos 0.95
Moisture Protection Heating Wire 100-120W 230V
-Voltage Optional 115 V
Mechanical Protection from Direct Contact with Hot Elements Optional Protective Grid
Materials
-Housing Standard AISI 304
Optional AISI 316
-Junction Box Standard AISI 304
Optional AISI 316
-Resistance Elements Standard AISI 304
Optional AISI 304, AISI 316L, incoloy800 and 825
Factory Approval Tests Setting/Dimension Inspection
Resistance Value
Insulation Resistance
Dielectric Strength
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