Siemens / ITE K3B125 - 125A 3 Pole Molded Case Circuit Breaker

Brand Siemens / ITE
SKU K3B125

Siemens / ITE K3B125 - 125A 3 Pole Molded Case Circuit Breaker

Brand Siemens / ITE
SKU K3B125
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Siemens / ITE K3B125 - 125A 3 Pole Molded Case Circuit Breaker

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$752.38 In stock

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Description
Maintaining existing electrical infrastructure is straightforward with the Siemens K3B125. This 3-pole, 125A legacy molded case circuit breaker provides essential thermal-magnetic protection for 600VAC commercial and industrial systems. Featuring a rugged bolt-on design, it installs into older ITE and Siemens panelboards without the need for modification. It offers an interchangeable trip unit and a 25kAIC rating at 240VAC, ensuring reliable performance for aging power distribution networks.

Specifications

Brand Siemens / ITE
Series K
Part Number K3B125-R
Amperage 125A
Voltage 240VAC, 480VAC, 600VAC
Poles 3
Phase 3
AIC Rating 25kA @ 240VAC, 22kA @ 480VAC, 14kA @ 600VAC
Mounting Style Bolt-On
Terminal Type Lugs
For Use With ITE / Siemens Panelboards and Switchboards
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Wire Gauge 4 AWG - 350 kcmil (Al/Cu)
Max Wire 350 kcmil
Min Wire 4 AWG
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits
Accessories Lugs Not Included
Standards NEMA AB-1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features Interchangeable Trip

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