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Siemens HHED62B125 Molded Case Circuit Breaker
- 125A
- 2 Pole
- Bolt-On
Siemens
HHED62B125
Molded Case Circuit Breaker
Brand
Siemens
SKU
HHED62B125
Quantity
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Siemens HHED62B125 - 125A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty commercial applications, this 125A Sentron series breaker utilizes fixed thermal and magnetic trip elements. The bolt-on frame mounts into Siemens P1, P2, and P3 panelboards. Facilities upgrading panels can replace this unit with the 3VA5112-6ED21-0AA0. With an extra high interrupting capacity of 65kA at 480VAC, it effectively limits let-through current. The breaker is fully HACR rated for HVAC equipment.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HHED62B125 |
| Series | HHED6 |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | HHED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards |
| Wire Gauge | 3 AWG - 3/0 AWG (Cu), 1 AWG - 2/0 AWG (Al) |
| Max Wire | 3/0 AWG |
| Min Wire | 3 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, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs (TA1E6125) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, Quick-Make/Quick-Break |
Product FAQs
7 answersWhat panelboards accept the HHED62B125 circuit breaker?
This ED-frame breaker mounts into Siemens P1, P2, and P3 panelboards, as well as compatible Sentron switchboards.
Does the HHED62B125 require a mounting kit for Siemens P1 panelboards?
Yes. When installing this ED-frame breaker as a main or subfeed device in a P1 panelboard, a specific mounting kit is required, such as the MBKED1 for single-phase systems or MBKED3 for three-phase systems.
Which lug kits are compatible with this 125A ED-frame breaker?
The standard aluminum lug kit is the TA1E6125. If a copper-body lug is required, the TC1ED6150 kit is compatible. For compression connections, the CCE125 compression lug kit can be used.
Is the HHED62B125 suitable for reverse feed applications?
Yes. Because this ED-frame breaker features a non-interchangeable trip unit, it is suitable for reverse feed applications in compliance with UL 489 requirements.
How should this 2-pole breaker be wired for 250VDC applications?
When applying this breaker on 250VDC systems, standard practice is to connect one pole on each leg of the DC supply circuit to ensure voltage is uniformly distributed.
Can the Siemens HHED62B125 replace older I-T-E branded breakers?
Yes. Siemens acquired I-T-E, and the current Siemens HHED62B125 is a direct drop-in replacement for legacy I-T-E breakers with the exact same catalog number. They share the identical ED-frame footprint and mounting hardware.
Can the trip settings on the HHED62B125 be adjusted in the field?
No. This breaker features a fixed thermal and fixed magnetic trip unit, meaning the long-time and instantaneous trip functions cannot be field-adjusted.
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