Eaton / Westinghouse PB31600 Molded Case Circuit Breaker
- 1600A
- 3 Pole
- Bolt-On
Quantity
Eaton / Westinghouse PB31600 - 1600A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Maintaining legacy infrastructure is simplified with the Eaton PB31600 insulated case breaker. This 1600-amp, three-pole device delivers reliable long-time and instantaneous trip functions for high-demand industrial applications. It bolts into existing Westinghouse PB switchboards and motor control centers. By utilizing this exact match, contractors avoid the labor-intensive installation of CRD316T76W retrofit kits. With a robust 100kAIC rating at 480VAC, it ensures maximum system safety.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | PB31600-R |
| Series | PB |
| Amperage | 1600A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 100kA @ 480VAC, 100kA @ 600VAC, 100kA @ 250VDC |
| Frame Type | PB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Westinghouse PB Switchboards, Motor Control Centers |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | PB31600-R |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit |
Product FAQs
5 answersWhat equipment is the PB31600 designed to be installed in?
This breaker is specifically designed for use in legacy Westinghouse PB switchboards and motor control centers.
Are the trip settings adjustable on this breaker?
Yes, it features a thermal-magnetic trip unit with fixed thermal and adjustable magnetic settings for the instantaneous trip response.
Can this breaker be used in DC applications?
Yes, it is rated for up to 250VDC with an interrupting capacity of 100kA, making it suitable for high-capacity direct current systems.
Why is this breaker listed under Eaton, Cutler-Hammer, and Westinghouse?
Westinghouse distribution equipment was acquired by Eaton and integrated into the Cutler-Hammer product line. The PB31600 maintains the exact same form and fit across all three brand names.
Is the trip unit on the PB31600 permanent or interchangeable?
This frame features an interchangeable trip unit design, allowing for modifications or replacements if your system requirements change.
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