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PTC-Thermistor-Relay Type MSR220VA AC/DC 24V

Manufacturer:

Ziehl

Manufacturer part number:

T222431
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Delivery date: 12 business days

PTC-resistor relay, single PTC-circuit, ATEX-Approval 2014/34/EU, with RESET

95.2 CAD
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Products specifications
Brand ZIEHL
Country of origin Germany
Rated supply voltage AC/DC 24 V
Protection housing IP 30
Protection terminals IP 20
Switching point < 4000 Ω
Ambient temperature range -20...+55 °C
Frequency Range(Hz) 45 - 65
Cut-out-point .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 ≤ 2.5 V at R ≤ 3.65 kΩ ≤ 9 V at R = ∞
Terminal current <1 mA
Short circuit 20 Ω ≤ R ≤ 40 Ω
Switching voltage max(V) 415
Switching current max(A) 5
Switching power max(W) 120
Transformer EN 61558-2-6
Fuse(A) 4

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.

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Description

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.

Products specifications
Brand ZIEHL
Country of origin Germany
Rated supply voltage AC/DC 24 V
Protection housing IP 30
Protection terminals IP 20
Switching point < 4000 Ω
Ambient temperature range -20...+55 °C
Frequency Range(Hz) 45 - 65
Cut-out-point .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 ≤ 2.5 V at R ≤ 3.65 kΩ ≤ 9 V at R = ∞
Terminal current <1 mA
Short circuit 20 Ω ≤ R ≤ 40 Ω
Switching voltage max(V) 415
Switching current max(A) 5
Switching power max(W) 120
Transformer EN 61558-2-6
Fuse(A) 4
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