Kawamura Products,Japan Miniature Circuit Breakers (MCB)


Technical Specification of (MCB):

• High breaking capacity.
• Both overload and short-circuit protection.
• Permits simultaneous connection of busbar and cable.
• Contact position indicator.
• 1P, 2P, & 3P devices.
• Rated voltage (Un): 240/415V ac (1P), 415V ac (2P, 3P).
• Rated current (In): 6 to 63A.
• Model : KWB6.
• Conformed Standard : IEC60898-1.

Rated Current	Breaking Capacity	Type of SP MCB	Type of DP MCB	Type of TP MCB
06A	6KA	KWB6-C06	KWB6-C06	KWB6-C06
10A	6KA	KWB6-C10	KWB6-C10	KWB6-C10
16A	6KA	KWB6-C16	KWB6-C16	KWB6-C16
20A	6KA	KWB6-C20	KWB6-C20	KWB6-C20
25A	6KA	KWB6-C25	KWB6-C25	KWB6-C25
32A	6KA	KWB6-C32	KWB6-C32	KWB6-C32
40A	6KA	KWB6-C40	KWB6-C40	KWB6-C40
50A	6KA	KWB6-C50	KWB6-C50	KWB6-C05
63A	6KA	KWB6-C63	KWB6-C63	KWB6-C63

Moulded Case Circuit Breakers (MCCB)


MCCB

Technical Specification of (MCCB):

• High breaking capacity.
• Both overload and short-circuit protection.
• Push to Trip.
• Rated current :10A to 800A.
• Number of Pole :3P & 4P.
• Rated insulating voltage Ui : 690V ac.
• Rated operating voltage Ue : 400V ac.
• Rated impulse withstand voltage Uimp : 8KV.
• Model : KWN.
• Conformed Standard : IEC60947-1 & IEV60947-2.

Rated Current	Breaking Capacity	Type of TP MCCB
10A - 100A	30KA	KWN-100S/3300
125A - 160A	35KA	KWN-160C/3300
200A - 250A	35KA	KWN-250C/3300
315A - 400A	50KA	KWN-400C/3300
500A - 800A	50KA	KWN-800C/3300

Sub-distribution Board

Sub-distribution Board (Inside view)

Sub-distribution Board (Outside view)