Ziehl MSR 220 KA Tripping unit No. of relay outputs: 2

Ziehl MSR 220 KA Tripping unit No. of relay outputs: 2

Motor protection device to protect electrical equipment incorporating PTC thermistor sensors (PTC thermistors) from high temperatures. Even for direct monitoring of explosion-proof motors in protection type Ex e and Ex d in hazardous areas (zones 1 and 2) and in the presence of combustible dust (zones 21 and 22).

Facts

• Input for 1-6 PTC thermistor according to DIN 44081 / 44082
• Short-circuit monitoring in sensor circuit
• ATEX-approval according to directive 94/9/EC
• UL recognized component
• Electronic error memory (optional)
• Output relay 2 changer

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