Supplying high-capacity power control, the Siemens MBKQJ3225A is a 225A main breaker kit designed for commercial facilities. It utilizes thermal-magnetic trip technology to safeguard 3-phase circuits against overloads and short circuits. The complete assembly mounts into Siemens P1 panelboards, providing a secure bolt-on connection. It is frequently used to replace older main breakers. The kit includes a QJ2 frame breaker with a 10kAIC rating at 240VAC and all essential mounting hardware.
Specifications
Key specifications
For Use With
Siemens P1 Panelboards
Mounting Type
Bolt-On
Standards
CSA C22.2, UL 489
Voltage
240VAC
Electrical ratings
Amperage
225A
Poles
3
Phase
3
Interrupting Rating
10 kAIC @ 240V AC
Fit and installation
Frame Type
QJ2
Terminal Connection
Lugs
Length (in)
7.812
Width (in)
4.625
Height (in)
4.625
Wire Gauge
4 AWG - 300 kcmil (Cu/Al)
Standards and features
Approval
CSA, UL
Accessories
Mounting Hardware, Breaker, Lugs Included
Temperature Rating
40C
Body Material
Composite
Product details
Series
MBK
Brand
Siemens
MPN
MBKQJ3225A
UPC
887621791629
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