WEG Automation CWB Series Three Pole Contactor to 18A (AC3) or 32A (AC1) for a Power Circuit to be switched by a 24V DC Control Circuit.
Rating:-
- Motor DOL Starter (AC3): 18A for a 7.5kW motor x 400V.
- Inverter or DC Thyristor Drive supply (AC1 - Thermal): 32A for up to 15kW x 400V.
Size 45mm Wide x 89.5mm Deep x 78.4mm High. IP20.
Front-mounting external Auxiliary Contact adds 40.5mm to depth when fitted.
Side-mounting external Auxiliary Contact adds 9mm to width when fitted.
Mounting: 35mm DIN rail or 4 x 4.5mm slots at rear on 35mm x 60-70mm centres.
Terminals: Screw type, Philips No2. 2 x 1-6mm² Max (Tightening torque 1.7Nm)
Simple flush mounting compact surge suppression position
Weight: 0.372kg
Current Rating: 18A (AC3) or 32A (AC1)
Maximum Voltage: 690V 50/60Hz 1-3 Phase
Coil Voltage: 24VDC
Main Contacts: 3 (NO)
Auxiliary Contacts, 1 x Normally Open and 1 x Normally Closed.
Provision for 2 x additional external side mounting auxiliary contacts(Type BLB-**) and 1 off 4 pole aux contact block (Type BFB-**)
Standards: IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 508
Lifespan (Electrical): 1,800,000 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 front wired.
Manufacturer Part Number is CWB18-11-30C03 replaces CWM18-11-30C03
Download full dimensional drawings for the WEG CWB range from the link below:-