Schmersal Inc. Datasheets for Protective Relays and Monitoring Relays
Protective relays and monitoring relays detect or monitor for abnormal power system conditions.
Protective Relays and Monitoring Relays: Learn more
| Product Name | Notes |
|---|---|
| 2 Safety contacts, 1 Safety Output Plug-in screw terminals with coding 1 Signalling output - status safety module 1 Signalling output - failure massage dynamic Detects standstill using 1 or... | |
| 2 Safety contacts, 1 Safety Output Plug-in screw terminals with coding 1 Signalling output - status safety module 1 Signalling output - failure massage static Detects standstill using 1 or... | |
| 2-channel safety door monitoring 2 Safety contacts, 2 Safety Output Plug-in screw terminals with coding 2 Signalling outputs 1 Signalling output - failure massage dynamic Detects standstill using 1 or... | |
| Detects standstill using 1 or 2 impulse sensors Uses additional standstill signal, e.g. PLC as second input channel 2 safety contacts 2 Signalling outputs | |
| Detects standstill using 2 impulse sensor(s) 2 safety contacts 2 Signalling outputs | |
| Signal processing of safety edges of the STW-SL series 3 safety contacts, STOP 0 3 Signalling outputs | |
| Standstill detection time 2s Fail-safe standstill monitors 3 safety contacts 3 Signalling contacts Sensor-free detection of standstill by monitoring e.m.f. Direct connection to three-phase motors Motor voltage range 0 ... | |
| Standstill detection time 7s Fail-safe standstill monitors 3 safety contacts 3 Signalling contacts Sensor-free detection of standstill by monitoring e.m.f. Direct connection to three-phase motors Motor voltage range 0 ... |