Термічна реле TR122D (A)
  • Термічна реле TR122D (A)

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Виробник: ZIEHL

Термічна реле TR122D (A)

Product description

Switching-Relays Typs TR 122 D(A) monitor the input-signal for 2 limits. The TR 122 DA transduces the measured temperature/resistance to a proportional DC-current. Applications of the TR 122 D(A) are:

  • Monitoring of temperatures with pre-alarm and alarm in machines and plants
  • Controlling of temperatures e.g. for heated sample gas lines or refrigerating plants
  • Transducer for Pt 100 (RTD) and resistance (TR 122 DA only)

Overview of Functions

  • 1 input sensor, Pt 100 (RTD) or resistance
  • Measuring ranges -199...850°C / 0...850 Resolution 0,1 °C / within the ranges -19,9...99,9 °C / 0-99,9
  • 2 relay outputs (each 1 change-over contact)
  • 1 analog output 0/4-20 mA scaleable (TR 122 DA only, not potentially separated from the inputs)
  • Universal power supply AC/DC 24-240 V
  • Storage and display of the measured MIN- and MAX-values

Part number

T224127 no analog output
T224126 with analog output


Technical data

Power Supply  
Rated supply voltage Us AC/DC 24 – 240 V, 0 / 50 / 60 Hz < 3 W < 5 VA
Tolerance DC 20,4 - 297 V,
AC 20 - 264 V
Relay output 2 x 1 change-over contact (CO)
Switching voltage max. AC 415 V
Switching current max. 5 A
Switching capacity max. 1250 VA (ohmic load)
max. 48 W at DC 24 V
Reduction factor for cos ϕ 0,7 3-wire, max. resistance 3 x 25 Ω
Nominal operational current Ie  
AC15 Ie = 1 A ..... Ue = 400 V
Ie = 2 A ..... Ue = 250 V
DC13 Ie = 2 A ..... Ue = 24 V
Ie = 0,2A ..... Ue = 125 V
Ie = 0,1A ..... Ue = 250 V
Recommended fuses for contacts T 3,15 A (gL)
Expected life mechanical 1 x 107 switching cycles
Expected life electrical 1 x 105 switching cycles at AC 250 V / 5 A
2 x 105 switching cycles at AC 250 V / 3 A
6 x 105 switching cycles at AC 250 V / 1 A


Test conditions (EN 50178 / EN 60 947)

Rated impulse voltage 4000 V
Contamination level 3
Rated insulation voltage Ui 250 V
On-time 100%
Rated ambient temperature range -20 °C ... +60 °C (EN 60068-2-1 dry heat)
EMV – interference resistance EN 61000-6-2
EMV – emitted interference Vibration resistance EN 60068-2-6
Sensor connection  
Measuring time tM <2,5 s <5 s in case of changes> 5 K or <1 K <15 s in case of sensor error
Tolerance ±0,3 % of measured value ±0,5 K
Sensor current ≤0,8 mA
Temperature drift <0,04°C/K


Analog output

Current output 0/4-20 mA max. 500 Ώ, Precision 0,3 % of Full-Scale
Temperature drift < 0,015 %/K
Error from impedance (250Ώ - load)/250Ώ * 0,3 % of current
At error short circuit Er1 output 0 mA
Other errors output 22 mA
Design S12
Dimensions (height x width x depth) 82 x 42 x 121 mm
Wire connection, one wire 12-pole, each 2 x 1,5 mm2
Protection class housing IP 40
Protection class terminal IP 20
Mounting position any
Installation Snap mounting on DIN-rail 35 mm
According to EN 60715 or screws M4
Weight app. 250 g
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Product description

Switching-Relays Typs TR 122 D(A) monitor the input-signal for 2 limits. The TR 122 DA transduces the measured temperature/resistance to a proportional DC-current. Applications of the TR 122 D(A) are:

  • Monitoring of temperatures with pre-alarm and alarm in machines and plants
  • Controlling of temperatures e.g. for heated sample gas lines or refrigerating plants
  • Transducer for Pt 100 (RTD) and resistance (TR 122 DA only)

Overview of Functions

  • 1 input sensor, Pt 100 (RTD) or resistance
  • Measuring ranges -199...850°C / 0...850 Resolution 0,1 °C / within the ranges -19,9...99,9 °C / 0-99,9
  • 2 relay outputs (each 1 change-over contact)
  • 1 analog output 0/4-20 mA scaleable (TR 122 DA only, not potentially separated from the inputs)
  • Universal power supply AC/DC 24-240 V
  • Storage and display of the measured MIN- and MAX-values

Part number

T224127 no analog output
T224126 with analog output


Technical data

Power Supply  
Rated supply voltage Us AC/DC 24 – 240 V, 0 / 50 / 60 Hz < 3 W < 5 VA
Tolerance DC 20,4 - 297 V,
AC 20 - 264 V
Relay output 2 x 1 change-over contact (CO)
Switching voltage max. AC 415 V
Switching current max. 5 A
Switching capacity max. 1250 VA (ohmic load)
max. 48 W at DC 24 V
Reduction factor for cos ϕ 0,7 3-wire, max. resistance 3 x 25 Ω
Nominal operational current Ie  
AC15 Ie = 1 A ..... Ue = 400 V
Ie = 2 A ..... Ue = 250 V
DC13 Ie = 2 A ..... Ue = 24 V
Ie = 0,2A ..... Ue = 125 V
Ie = 0,1A ..... Ue = 250 V
Recommended fuses for contacts T 3,15 A (gL)
Expected life mechanical 1 x 107 switching cycles
Expected life electrical 1 x 105 switching cycles at AC 250 V / 5 A
2 x 105 switching cycles at AC 250 V / 3 A
6 x 105 switching cycles at AC 250 V / 1 A


Test conditions (EN 50178 / EN 60 947)

Rated impulse voltage 4000 V
Contamination level 3
Rated insulation voltage Ui 250 V
On-time 100%
Rated ambient temperature range -20 °C ... +60 °C (EN 60068-2-1 dry heat)
EMV – interference resistance EN 61000-6-2
EMV – emitted interference Vibration resistance EN 60068-2-6
Sensor connection  
Measuring time tM <2,5 s <5 s in case of changes> 5 K or <1 K <15 s in case of sensor error
Tolerance ±0,3 % of measured value ±0,5 K
Sensor current ≤0,8 mA
Temperature drift <0,04°C/K


Analog output

Current output 0/4-20 mA max. 500 Ώ, Precision 0,3 % of Full-Scale
Temperature drift < 0,015 %/K
Error from impedance (250Ώ - load)/250Ώ * 0,3 % of current
At error short circuit Er1 output 0 mA
Other errors output 22 mA
Design S12
Dimensions (height x width x depth) 82 x 42 x 121 mm
Wire connection, one wire 12-pole, each 2 x 1,5 mm2
Protection class housing IP 40
Protection class terminal IP 20
Mounting position any
Installation Snap mounting on DIN-rail 35 mm
According to EN 60715 or screws M4
Weight app. 250 g
Менше
Читати більше
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