ABB S5N400BW - 400A 3 Pole Molded Case Circuit Breaker

Brand ABB
SKU S5N400BW

ABB S5N400BW - 400A 3 Pole Molded Case Circuit Breaker

Brand ABB
SKU S5N400BW
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ABB S5N400BW - 400A 3 Pole Molded Case Circuit Breaker

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$4295.48 Low stock

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Description
Built for heavy-duty commercial and industrial applications, this SACE Isomax S5 breaker utilizes a PR211 solid-state trip unit to deliver reliable LI protection. Rated for 400 amps, it provides a 35kAIC interrupting capacity at 480VAC. The unit mounts into ABB SACE Isomax S5 enclosures and switchboards, offering current-limiting performance. For facilities upgrading their systems, this model is typically replaced by the Tmax T5S400BW, making it ideal for exact-match maintenance needs.

Specifications

Brand ABB
Series S5N
Amperage 400A
Voltage 240VAC, 480VAC, 600VAC
Poles 3
Phase 3
AIC Rating 65kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600VAC
Mounting Style Unit Mount
Terminal Type Lugs
For Use With ABB SACE Isomax S5 Enclosures and Switchboards
Trip Technology Electronic Trip
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Adjustable
Wire Gauge (2) 3/0 AWG - 250 kcmil
Max Wire 250 kcmil
Min Wire 3/0 AWG
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Rotary Handle, Terminal Shields, Phase Barriers, Lugs
Accessories None included
Standards CSA C22.2 No. 5.1, IEC 60947-2, UL 489
Approval CE, CSA, IEC, UL
Temp Rating 40C
Construction Features Solid State Trip Unit (PR211)

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