Siemens CE3B100 Molded Case Circuit Breaker
- 100A
- 3 Pole
- Bolt-On
Quantity
Siemens CE3B100 - 100A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Engineered for demanding industrial applications, the Siemens CE3B100 is a 3-pole, 100A molded case circuit breaker. It utilizes a thermal-magnetic trip unit to deliver reliable long-time and instantaneous (LI) protection. The bolt-on unit is compatible with Siemens P2, P3, and legacy ITE panelboards. It serves as an exact replacement for aging systems, though it has been superseded by the CED63B100 in newer installations. With a 100kAIC rating at 600VAC, it offers robust current limitation.Specifications
| Brand | Siemens |
|---|---|
| Part Number | CE3B100 |
| Series | CE |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 100kA @ 480VAC, 100kA @ 600VAC |
| Frame Type | CE |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P2, P3 Panelboards, Siemens/ITE Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, Non-Interchangeable Trip, Trip-Free Mechanism, Quick-Make/Quick-Break |
| Special Features | Current Limiting (Integrally Fused) |
Product FAQs
4 answersWhich panelboards accept the CE3B100 circuit breaker?
This legacy C-Frame breaker is designed to bolt into Siemens P2 and P3 panelboards, as well as older Siemens and ITE panelboards.
What wire sizes are accepted by the lugs on the CE3B100?
The included lugs are rated for 14 to 1/0 AWG copper (Cu) conductors or 12 to 1/0 AWG aluminum (Al) conductors.
Are the trip settings adjustable on the CE3B100?
No, this breaker is equipped with a thermal magnetic trip unit that has fixed thermal and fixed magnetic settings for long-time and instantaneous (LI) protection.
What is the advantage of the current limiting design on this breaker?
As a current limiting breaker, the CE3B100 is engineered to clear short circuits extremely fast. This significantly reduces the peak let-through current and energy, protecting downstream circuits and equipment from severe electrical stress.
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