MCB is applicable to electric circuit with rated voltage 230/400V, 240/415V AC, frequency 50/60Hz and rated current is up to 63A.
The product provides against overload and short circuit and equipments in household and commercial installations.
MCB is also used as non-frequent changeover of electric circuit.

Line-Up

BK63 series	BTK63 series	Alarm switch (for BK63)	Auxiliary switch

Tripping Characteristics

Type B
Instant tripping characteristics : 3–5In
Application : computers and electronic equipments

Type C
Instant tripping characteristics : 5–10In
Application : general load such as bulbs , motors

Type D
Instant tripping characteristics : 10–20In
Application : high current surge device such as transformers, motors with heavy load

Colored Handles

Easy to distinguish the rated current of the MCB by means of colored handle.

Approval

• CE marking
• CB Certifi cate

Rating and Specifications

Type	BK63		BTK63
Protection	Overload and short circuit
Rated current	1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63A
Characteristics	B, C, D curve
Number of poles	1P, 1P+N, 2P, 3P, 3P+N, 4P
Breaking capacity	1P	2, 3, 4P	1P	2, 3, 4P
	6kA at 230/400VAC	6kA at 400VAC	10kA at 240/415VAC	10kA at 415VAC
Standards	IEC60898
Approval	SEMKO CB scheme		KEMA CB scheme
Type of trip	Thermal magnetic release
Electrical endurance	6,000 operations		8,000 operations
Installation	35mm DIN rail
Width	17.8mm per pole
Type of terminal	Lug type (Cable up to 25mm2)
Alarm switch (Optional)	1changeover contact 6A at 230VAC,3A at 415VAC(AX) 6A at 230VAC,3A at 415VAC(AL) 2A at 48VAC,1A at 125VAC Lug terminal Cable capacity 2.5mm2 9mm wide		Not applicable
Dimension (mm)