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Siemens / ITE CE3B020 Molded Case Circuit Breaker
- 20A
- 3 Pole
- Bolt-On
Siemens / ITE
CE3B020
Molded Case Circuit Breaker
Brand
Siemens / ITE
SKU
CE3B020
Quantity
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Siemens / ITE CE3B020 - 20A 3 Pole Molded Case Circuit Breaker
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Description
Delivering high interrupting capacity, the Siemens CE3B020 is a 3-pole, 20A legacy MCCB built for commercial power distribution. It provides essential long-time and instantaneous trip functions. This unit features a bolt-on connection specifically engineered for Siemens P2 and P3 panelboards. It acts as a direct replacement for older CE-frame installations, cross-referencing to the newer CED63B020.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | CE3B020-R |
| Series | CE |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 25kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P2, P3 Panelboards, Switchboards |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG |
| 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, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs Included, Current Limiters |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, Integrally Fused, High Interrupting Capacity |
| Special Features | Current Limiting (Integrally Fused) |
Product FAQs
5 answersIs the CE3B020 a current-limiting circuit breaker?
Yes, this legacy Cordon series breaker is current limiting. It uses integrally fused limiters to restrict let-through energy and protect downstream equipment during massive faults.
What is the direct replacement for the obsolete CE3B020?
The factory replacement for this legacy Cordon series breaker is the Siemens Sentron CED63B020, which offers the same 20A rating and bolt-on mounting.
Do I need special lugs to connect aluminum wire to the CE3B020?
No, the factory-installed lugs are dual-rated for both copper and aluminum conductors. They accept 14-10 AWG copper or 12-10 AWG aluminum wire.
How does the trip unit on the CE3B020 operate during a fault?
It utilizes a fixed thermal-magnetic mechanism. The thermal component provides a long-time delay for overloads, while the magnetic component offers instantaneous tripping for severe short circuits.
Can I install the CE3B020 in a standard residential load center?
No, this is a bolt-on molded case circuit breaker designed specifically for commercial Siemens P2 and P3 panelboards, as well as compatible switchboards. It will not fit in residential plug-on load centers.
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