ALPHA RELAY AR221 (4 CONTACT) TWO ELEMENT HAND RESET REVERSE ACTING FLAG SELF RESET CONTACTS FOUR CONTACTS NO ADDITIONAL TIME DELAY CASE SIZE E4 (4U HIGH) CONTACT ARRANGEMENT: 0NO/ 4NC VOLTAGE RATING: 125V DC BACK EMF SUPPRESSION DIODE: NOT FITTED
7PA2311- FAST LOCK-OUT RELAY 4 CHANGE OVER CONTACTS OPERATING TIME 8MS AUXILIARY VOLTAGE: 24/30V DC WITH RESET PUSHBUTTON RELAIS WITH SOCKET 7XP9011-1 FOR FLUSH MOUNTING
SITRANS TW universal transmitter for rail mounting in four-wire system without explosion protection; Powersupply AC/DC 24 V, Output signal: 0/4 to 20mA, without relay, Input for temperature sensors, resistance-based sensors and mV sources, measuring range -120..1000 mV