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Siemens / ITE HE3B020 Molded Case Circuit Breaker
- 20A
- 3 Pole
- Bolt-On
Siemens / ITE
HE3B020
Molded Case Circuit Breaker
Brand
Siemens / ITE
SKU
HE3B020
Quantity
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Siemens / ITE HE3B020 - 20A 3 Pole Molded Case Circuit Breaker
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Description
Providing robust overcurrent safety, the Siemens HE3B020 is a 3-pole, 20-amp legacy molded case circuit breaker. It features a fixed thermal-magnetic trip mechanism for reliable commercial and industrial performance. This unit bolts into Siemens P1, P2, and P3 panelboards and switchboards. As an exact cross-reference for the HED43B020, it ensures a perfect fit without the need for modification kits. The breaker delivers 65kAIC at 240V and 25kAIC at 480V, maintaining high interrupting capacity.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | HE3B020-R |
| Series | HE |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | HE |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, 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 | None included |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, Non-Interchangeable Trip, Common Trip |
Product FAQs
5 answersWhich panelboards are compatible with the HE3B020 circuit breaker?
This bolt-on E-frame breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as compatible Siemens switchboards.
What type of wiring is approved for the factory lugs on this breaker?
The terminals are rated for both copper and aluminum conductors. They accept 14 to 10 AWG copper wire and 12 to 10 AWG aluminum wire.
Can the HE3B020 be used in direct current systems?
Yes, this breaker is rated for DC applications up to 250VDC, where it provides an interrupting capacity of 30kA.
Are the trip settings adjustable on this E-frame breaker?
No, it features a thermal magnetic trip unit with fixed thermal and fixed magnetic settings. It provides standard long-time and instantaneous protection.
Why is this breaker listed under both Siemens and ITE?
The HE frame is a legacy molded case circuit breaker originally developed by ITE. Siemens acquired ITE and continued manufacturing these breakers to support existing infrastructure.
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