Switches and Circuit Breakers

WEG Automation CWB Series Three Pole Contactor to 38A (AC3) or 50A (AC1) for a Power Circuit to be switched by a 110V AC Control Circuit.

Rating:-
– Motor DOL Starter (AC3): 38A for a 18.5kW motor x 400V.
– Inverter or DC Thyristor Drive supply (AC1 – Thermal): 50A for up to 22kW x 400V.

Size 3: 55mm Wide x 118mm Deep x 89mm High. IP10.
Front-mounting external Auxiliary Contact adds 29mm to depth when fitted.
Side-mounting external Auxiliary Contact adds 11.5mm to width when fitted.
Mounting: 35mm DIN rail or 4 x 4.5mm slots at rear on 44.98mm x 50-79mm centres.
Terminals: Screw type. Max 16mm².
Weight: 0.65kg

Current Rating: 40A (AC3) or 50A (AC1)
Maximum Voltage: 690V 50/60Hz 1-3 Phase
Coil Voltage: 110V AC 50/60Hz x 98VA (pull-in), 6.6-12.3VA (sealing)
Main Contacts: 3 (NO)
Auxiliary Contacts, 1 x Normally Open (External, Front-mount). 1 x Normally Closed (External, Front-mount). Provision for 4 x additional external auxiliary contacts, see linked products below.
Standards: IEC/EN 60 947. DIN VDE 0660. UL. CSA
Lifespan (Electrical): 1,200,000 operations.
Lifespan (Mechanical): 10,000,000 operations.

Note:-
– AC1 Current Rating is for use with applications where open and closing operations are current free and the Current rating is not exceeded at any time.
– AC3 kW Rating is based on standard 2 pole or 4 pole motors.
– Coil connections can be made at either the top or bottom of the contactor to simplify replacement of existing contactors.