Siemens HB2B060 Molded Case Circuit Breaker
- 60A
- 2 Pole
- Bolt-On
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Siemens HB2B060 - 60A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Rated 65 kAIC at 240VAC, this Siemens molded case circuit breaker provides robust overcurrent and short-circuit protection for commercial and industrial applications. The 60-amp, two-pole unit features a fixed thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions. Designed for bolt-on installation, the HB2B060 installs into legacy Siemens and ITE Series 1-5 panelboards. It includes load side lugs and carries a high interrupting capacity for demanding electrical systems.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HB2B060 |
| Series | HBQ |
| Amperage | 60A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC |
| Frame Type | BQ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens/ITE Legacy Panelboards (Series 1-5) |
| Wire Gauge | 8-1 AWG (Cu), 6-1/0 AWG (Al) |
| Max Wire | 1 AWG (Cu), 1/0 AWG (Al) |
| Min Wire | 8 AWG (Cu), 6 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, Alarm Switch, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
9 answersWhich panelboards are compatible with the Siemens HB2B060 circuit breaker?
This bolt-on breaker is designed for use in Siemens and legacy ITE panelboards, specifically Series 1 through 5. Always verify compatibility with your panel's labeling before installation.
Can I install this Siemens HBQ breaker in an Eaton or Square D panel?
No. Siemens HBQ series breakers are not interchangeable with Eaton, Square D, or other competitor brands. Installing them in non-Siemens or non-ITE panels violates UL listings and creates a safety hazard.
What wire sizes are accepted by the lugs on the HB2B060?
The load side lugs accept 8 AWG to 1 AWG copper wire, or 6 AWG to 1/0 AWG aluminum wire. Ensure proper torque specifications are followed during installation.
How does the HB2B060 mount into the panelboard?
It features a bolt-on connection, meaning it physically bolts directly to the panel busbar. This provides a secure, vibration-resistant connection compared to standard plug-on breakers.
What does the 65kAIC rating on this breaker signify?
The 65,000 Amps Interrupting Capacity (65kAIC) indicates the maximum fault current the breaker can safely clear at 240V without sustaining damage or causing an electrical hazard.
What is the difference between BQ and HBQ series breakers?
The HBQ series utilizes the standard BQ frame but is engineered for a higher interrupting capacity. While standard BQ breakers typically offer 10kAIC, the HBQ series provides 65kAIC at 240V.
Are the thermal and magnetic trip settings adjustable on the HB2B060?
No. This breaker features a non-interchangeable trip unit with fixed thermal and fixed magnetic settings for both long-time and instantaneous (LI) protection.
Is the Siemens HB2B060 a direct replacement for older ITE breakers?
Yes. Siemens acquired ITE, and the HB2B060 directly replaces older ITE HBQ and BQ frame 60A, 2-pole bolt-on breakers with matching specifications.
Why is it important to match the interrupting rating when replacing a breaker?
Installing a breaker with a lower interrupting capacity than the panel requires can result in catastrophic failure during a short circuit. The HB2B060 provides a 65kAIC rating, but you must ensure your system fault current does not exceed this value.
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