MSR220VA Thermal Relay PTC
  • MSR220VA Thermal Relay PTC

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Hersteller: ZIEHL

MSR220VA PTC Thermal Relais

Ziehl PTC thermistor relays protect motors, transformers, machines and equipment against thermal overload. These are according to DIN EN 60947-8 and are thus exchangeable. Used in conjunction with respective PTC thermistors they provide a reliable temperature protection in the temperature range 60 °C up to 180 °C.

PTC-thermistors according DIN 44081 and DIN 44082 shall be connected. PTC thermistors are suitable for the installation into windings of electrical machines, bearings and transformers as well as to monitor the temperature of liquid media, airflow and gases. With ATEX approval, explosion-protected equipment in explosive gas atmospheres (marking G: gas) or in areas with combustible dust (marking D: dust) can be protected.
  • ATEX directive 2014/34/EU
  • 1 circuit for 1…6 PTC thermistors
  • Short-circuit detection within the thermistor circuit
  • Output relay with 1 or 2 change-over contact (co)
  • Operating status display with LED
  • electronic reclosing lock (disconnectable)
  • integrated RESET-button
  • link for external RESET
  • automatic RESET at voltage recoveryOperating status display with LED


Part number:
T222435 AC 220-240 V
T222431 AC / DC 24 V
 



Technical data


Rated supply voltage Us AC 110-120 V
AC 220-240 V
(see type plate)
AC 380-415 V (without UL marking)
24 V AC / DC (without potentially separation)
Tolerance of voltage Us AC 0,9 Us -1,1 Us
DC 21 ... 30 V
Frequency (AC) 50/60 Hz
Tolerance of frequency 45–65 Hz
Power consumption <2 VA



PTC thermistor connection


PTC thermistor acc. DIN VDE V 0898-1-401 (formerly DIN 44081/82)
Number 1 ... 6 PTCs in series
Cut-out-point 3,3 kΩ… 3,65 kΩ… 3,85 kΩ
Reclosing point 1,7 kΩ… 1,8 kΩ… 1,95 kΩ
Response tolerance +/- 6 ° C
Collective resistance cold thermistor ≤ 1,65 kΩ
Terminal voltage (PTC thermistor) ≤ 2,5 V at R ≤ 3,65 kΩ
≤ 9 V at R = ∞
Terminal current (PTC thermistor)  
Short circuit 20 Ω ≤ R ≤ 40 Ω
Power consumption  



Relay output (EN 60947-5-1)


Relay output 1 or 2 change-over contacts
Switching voltage max. max. AC 415 V
Switching current max. 5 A
Switching power max. (ohm resistive load) 120 W at 24 V DC
1250 VA
Rated operational current (Ie) AC15 Ie = 3 A Ue = 250 V
DC13 Ie = 2 A Ue = 24 V
Recommended fuse 4 A (gG)
Mechanical contact life 3 x 107 operations
Electrical contact life 1 x 105 operations at 240 V 5 A
UL electrical ratings 250 V AC, 3 A, general use
240 V AC, 1/4 KM, 2,9 FLA
120 V AC, 1/10 KM, 3,0 FLA
C 300



Testing conditions (EN 60 947)


Rated impulse voltage 4000 Vv
Overvoltage category III
Contamination level 3...2
Rated insulation voltage Ui 250 V...415 V
Transformer EN 61558-2-6
On-period 100%
Rated ambient temperature range -20 ... + 55 ° C
EMC - Immunity EN 61000-6-2
EMC - Emission EN 61000-6-3
Vibration resistance EN 60068-2-6 2… 13,2 Hz ± 1 mm
13,2 ... 100 Hz 1 g



Housing (Design V2)


Dimensions (H x W x D) 90 x 35 x 58 mm
Line connection 1 x 0,5… 2,5 mm2 (AWG 22-14)
Stranded wire with insulated ferrules 1 x 0,14 mm2 … 1,5 mm2
Insulation strip length min. 8 mm
Tightening torque 0,5 Nm
Protection class housing EN 60529 IP 30
Protection class terminals EN 60529 IP 20
Fitting position Any
Mounting EN 60715 standard rail 35 mm
Optional: Screw mounting M4, only with additional bolt (not part of delivery)
Weight approx. 130 g
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Ziehl PTC thermistor relays protect motors, transformers, machines and equipment against thermal overload. These are according to DIN EN 60947-8 and are thus exchangeable. Used in conjunction with respective PTC thermistors they provide a reliable temperature protection in the temperature range 60 °C up to 180 °C.

PTC-thermistors according DIN 44081 and DIN 44082 shall be connected. PTC thermistors are suitable for the installation into windings of electrical machines, bearings and transformers as well as to monitor the temperature of liquid media, airflow and gases. With ATEX approval, explosion-protected equipment in explosive gas atmospheres (marking G: gas) or in areas with combustible dust (marking D: dust) can be protected.
  • ATEX directive 2014/34/EU
  • 1 circuit for 1…6 PTC thermistors
  • Short-circuit detection within the thermistor circuit
  • Output relay with 1 or 2 change-over contact (co)
  • Operating status display with LED
  • electronic reclosing lock (disconnectable)
  • integrated RESET-button
  • link for external RESET
  • automatic RESET at voltage recoveryOperating status display with LED


Part number:
T222435 AC 220-240 V
T222431 AC / DC 24 V
 



Technical data


Rated supply voltage Us AC 110-120 V
AC 220-240 V
(see type plate)
AC 380-415 V (without UL marking)
24 V AC / DC (without potentially separation)
Tolerance of voltage Us AC 0,9 Us -1,1 Us
DC 21 ... 30 V
Frequency (AC) 50/60 Hz
Tolerance of frequency 45–65 Hz
Power consumption <2 VA



PTC thermistor connection


PTC thermistor acc. DIN VDE V 0898-1-401 (formerly DIN 44081/82)
Number 1 ... 6 PTCs in series
Cut-out-point 3,3 kΩ… 3,65 kΩ… 3,85 kΩ
Reclosing point 1,7 kΩ… 1,8 kΩ… 1,95 kΩ
Response tolerance +/- 6 ° C
Collective resistance cold thermistor ≤ 1,65 kΩ
Terminal voltage (PTC thermistor) ≤ 2,5 V at R ≤ 3,65 kΩ
≤ 9 V at R = ∞
Terminal current (PTC thermistor)  
Short circuit 20 Ω ≤ R ≤ 40 Ω
Power consumption  



Relay output (EN 60947-5-1)


Relay output 1 or 2 change-over contacts
Switching voltage max. max. AC 415 V
Switching current max. 5 A
Switching power max. (ohm resistive load) 120 W at 24 V DC
1250 VA
Rated operational current (Ie) AC15 Ie = 3 A Ue = 250 V
DC13 Ie = 2 A Ue = 24 V
Recommended fuse 4 A (gG)
Mechanical contact life 3 x 107 operations
Electrical contact life 1 x 105 operations at 240 V 5 A
UL electrical ratings 250 V AC, 3 A, general use
240 V AC, 1/4 KM, 2,9 FLA
120 V AC, 1/10 KM, 3,0 FLA
C 300



Testing conditions (EN 60 947)


Rated impulse voltage 4000 Vv
Overvoltage category III
Contamination level 3...2
Rated insulation voltage Ui 250 V...415 V
Transformer EN 61558-2-6
On-period 100%
Rated ambient temperature range -20 ... + 55 ° C
EMC - Immunity EN 61000-6-2
EMC - Emission EN 61000-6-3
Vibration resistance EN 60068-2-6 2… 13,2 Hz ± 1 mm
13,2 ... 100 Hz 1 g



Housing (Design V2)


Dimensions (H x W x D) 90 x 35 x 58 mm
Line connection 1 x 0,5… 2,5 mm2 (AWG 22-14)
Stranded wire with insulated ferrules 1 x 0,14 mm2 … 1,5 mm2
Insulation strip length min. 8 mm
Tightening torque 0,5 Nm
Protection class housing EN 60529 IP 30
Protection class terminals EN 60529 IP 20
Fitting position Any
Mounting EN 60715 standard rail 35 mm
Optional: Screw mounting M4, only with additional bolt (not part of delivery)
Weight approx. 130 g
Weniger
Weiterlesen
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