Tipo de relé térmico PTC MSF220VL
  • Tipo de relé térmico PTC MSF220VL

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Fabricante: ZIEHL

Tipo de relé térmico PTC MSF220VL

The MSF220VL is particularly suitable for monitoring of temperatures at dry transformers, when also the temperature of the core shall be measured. Monitoring of core temperature is especially required in rectifier transformers because of harmonics causing heat in the core.

An intelligent control prolongs automatically the runtime of a cooling-fan, depending on the load of the transformer. Each PTC-circuit is monitored for break and short circuit. This reduces probability of false alarms. Relays in operating-current mode prevent from a trip-signal when switching on supply voltage.
  • 4 inputs for PTC
  • Intelligent control of fan
  • Automatic fan-test 1x / week
  • electronic reclosing lock for alarms (trip) connectable
  • Monitoring of sensors
  • Test-button
  • Simple testing with disconnectable monitoring of break and short circuit (for 10 minutes)
  • cURus
  • LEDs for alarms, states of relays and sensors
  • Housing for mounting on DIN-Rail or wall-mount(option)
  • Mounting height 55 mm
  • Universal supply voltage AC/DC 24-240 V

The device can be adapted to different applications with 4 programs:
  1. Fan-control - alarm - trip (winding) - trip (core)
  2. Alarm - trip (winding) - trip (core) - alarm (fault)
  3. Fan-control - alarm - trip (winding) - alarm (fault)
  4. Fan-control with hysteresis T1/T2 - alarm – trip (winding) - time relay
Part number:
T221674 AC / DC 24-240 V
 



Technical data


Rated supply voltage Us AC / DC 24 - 240 V ± 15%, <3 VA
Connectable PTC resistors 4 x 1...6 PTC according to DIN VDE V 0898-1-401 (formerly DIN 44081/82)
Switching point <4000 Ω
Output relay 4 x 1 change-over-contact (co)
Type of contact Type 2 (see general technical information)
Test conditions see general technical information
Rated ambient temperature -20 ... + 60 ° C
Dimensions h x w x d Design V4: 90 x 70 x 58 [mm]
Attachment on 35 mm DIN rail according to EN 60 715 or screws M4
Protection Housing/Terminals IP30 / IP20
Weight approx. 250 g
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The MSF220VL is particularly suitable for monitoring of temperatures at dry transformers, when also the temperature of the core shall be measured. Monitoring of core temperature is especially required in rectifier transformers because of harmonics causing heat in the core.

An intelligent control prolongs automatically the runtime of a cooling-fan, depending on the load of the transformer. Each PTC-circuit is monitored for break and short circuit. This reduces probability of false alarms. Relays in operating-current mode prevent from a trip-signal when switching on supply voltage.
  • 4 inputs for PTC
  • Intelligent control of fan
  • Automatic fan-test 1x / week
  • electronic reclosing lock for alarms (trip) connectable
  • Monitoring of sensors
  • Test-button
  • Simple testing with disconnectable monitoring of break and short circuit (for 10 minutes)
  • cURus
  • LEDs for alarms, states of relays and sensors
  • Housing for mounting on DIN-Rail or wall-mount(option)
  • Mounting height 55 mm
  • Universal supply voltage AC/DC 24-240 V

The device can be adapted to different applications with 4 programs:
  1. Fan-control - alarm - trip (winding) - trip (core)
  2. Alarm - trip (winding) - trip (core) - alarm (fault)
  3. Fan-control - alarm - trip (winding) - alarm (fault)
  4. Fan-control with hysteresis T1/T2 - alarm – trip (winding) - time relay
Part number:
T221674 AC / DC 24-240 V
 



Technical data


Rated supply voltage Us AC / DC 24 - 240 V ± 15%, <3 VA
Connectable PTC resistors 4 x 1...6 PTC according to DIN VDE V 0898-1-401 (formerly DIN 44081/82)
Switching point <4000 Ω
Output relay 4 x 1 change-over-contact (co)
Type of contact Type 2 (see general technical information)
Test conditions see general technical information
Rated ambient temperature -20 ... + 60 ° C
Dimensions h x w x d Design V4: 90 x 70 x 58 [mm]
Attachment on 35 mm DIN rail according to EN 60 715 or screws M4
Protection Housing/Terminals IP30 / IP20
Weight approx. 250 g
Menos
Lee mas
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