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Lift Industry Relays, Phase Failure with Thermistor Monitor, SEQUENCE, PHASE FAILURE, THERMISTOR RELAY,Monitor, MOD-PTC, MOD PTC, MODPTC,

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Din rail mounted combined phase failure, sequence thermistor relay (Klixon version also available). Available in either 3 or 4 wire and self powered, with separate output contacts and LED indication for phase faults and thermistor faults. Both contacts energise when all is healthy, the phase relay R2 will de-energise when a phase sequence error is detected or a phase is lost (and in a 4 wire version also the Neutral). The thermistor circuit relay R1 will de-energise on detection of either a short circuit or overheat (resistance below 30 Ohms or above 3.3 KOhms). Both relays are slightly delayed (delay fixed) to avoid nuisance tripping. The LED indicators will diagnose the circuit problems, a healthy situation results in all the LEDs being illuminated.

COMBINED PHASE FAILURE, SEQUENCE & THERMISTOR RELAY MOD-PTC
Lift Industry Relays , SEQUENCE, PHASE FAILURE, THERMISTOR RELAY, YWRPTC4,

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Din rail mounted combined phase failure, sequence thermistor relay (Klixon version also available). Available in either 3 or 4 wire and self powered, with separate output contacts and LED indication for phase faults and thermistor faults. Both contacts energise when all is healthy, the phase relay R2 will de-energise when a phase sequence error is detected or a phase is lost (and in a 4 wire version also the Neutral). The thermistor circuit relay R1 will de-energise on detection of either a short circuit or overheat (resistance below 30 Ohms or above 3.3 KOhms). Both relays are slightly delayed (delay fixed) to avoid nuisance tripping. The LED indicators will diagnose the circuit problems, a healthy situation results in all the LEDs being illuminated.

COMBINED PHASE FAILURE, SEQUENCE & THERMISTOR RELAY YWRPTC4 (SPCO + 1NO)
Lift Industry Relays, LIFT ROOM TEMPERATURE RELAY, YRTCA, YRTC.A, YRTC A, NTC3K

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A din rail mounted temperature sensing relay supplied complete with a panel mounted temperature sensor. The unit is designed to facilitate compliance with The Lift Directive regulations EN81-1 Traction Lifts and EN81-2 Hydraulic Lifts. These regulations require that the lift room temperature is monitored. In the case of traction lifts +5°Cto +40°C and for hydraulic lifts +15°C to +35°C. A permanent auxiliary supply is required on to terminals A1 and A2. The 22.5mm panel mounted sensor needs to be connected to terminals P1 and P2. When the room temperature is between the two fixed set points, the output contact will be made between terminals 11 and 14 after a fixed time delay of 10 seconds. On deviation from these fixed set points, the output contact will open. Also the contact will open on loss of the auxiliary supply, thus making the unit fail safe. A green LED indicates that the auxiliary supply is present, a red LED indicates that the output contact is closed and thus the temperature is within specification.

LIFT ROOM TEMPERATURE RELAY YRTC.A