Eaton / Cutler-Hammer PB320000 Molded Case Circuit Breaker
- 2000A
- 3 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer PB320000 - 2000A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Engineered for demanding industrial environments, the Eaton PB320000 is a 3-pole, 2000A insulated case circuit breaker. It delivers reliable high-capacity power distribution for 600VAC systems. This bolt-on MCCB mounts into PB Series enclosures, panelboards, and switchboards via a secure busbar connection. It can be replaced by newer Series C RD-Frame or Power Defense PD6 units. Equipped with an interchangeable thermal magnetic trip unit (LI), it provides a 100kA interrupting capacity at 480V.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | PB320000 |
| Series | PB |
| Amperage | 2000A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 100kA @ 480VAC, 100kA @ 600VAC, 100kA @ 250VDC |
| Terminal Type | Busbar Connection |
|---|---|
| For Use With | PB Series Enclosures, PB Panelboards, Switchboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs Not Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, Interchangeable Trip Unit |
Product FAQs
4 answersWhat equipment is compatible with the PB320000 breaker?
This breaker is designed for installation in PB Series enclosures, PB panelboards, and compatible switchboards.
Are the trip functions on the PB320000 adjustable?
Yes, this thermal magnetic breaker features both adjustable thermal and adjustable magnetic settings to customize the long-time and instantaneous (LI) trip response.
Is the Eaton PB320000 interchangeable with the Westinghouse version?
Yes. Eaton acquired the Westinghouse electrical distribution line. Breakers labeled under Westinghouse, Cutler-Hammer, or Eaton with the PB320000 catalog number share the exact same physical frame and specifications.
What type of terminal connection does this breaker require?
The PB320000 requires a bolt-on busbar connection for secure mounting within the switchboard or panelboard chassis.
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