Siemens / ITE HN3B700 Molded Case Circuit Breaker
- 700A
- 3 Pole
- Bolt-On
Quantity
Siemens / ITE HN3B700 - 700A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Part of the legacy HN frame series, this 700A, 3-pole molded case circuit breaker provides reliable thermal-magnetic protection for industrial electrical systems. This bolt-on breaker installs into older Siemens and ITE switchboards (SB1, SB2, SB3) and power panelboards (S4, S5, F1, F2). It serves as an exact replacement for aging infrastructure, eliminating the need for retrofitting or adapters. Rated for 65 kAIC at 480VAC, it ensures robust fault clearing.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | HN3B700 |
| Series | HN |
| Amperage | 700A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 65kA @ 480VAC, 42kA @ 600VAC |
| Frame Type | HN |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens / ITE Switchboards (SB1, SB2, SB3), Power Panelboards (S4, S5, F1, F2) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits |
|---|---|
| Accessories | Lugs not included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit, Trip-Free Mechanism, Visual Trip Indicator, High Interrupting Capacity |
Product FAQs
6 answersWhat equipment is the HN3B700 breaker designed to fit?
This breaker is compatible with legacy Siemens and ITE switchboards, specifically the SB1, SB2, and SB3 series, as well as S4, S5, F1, and F2 power panelboards.
How does the trip unit on the HN3B700 operate?
It utilizes a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions. The thermal element provides fixed protection against sustained overloads, while the magnetic element is adjustable to allow customization of the instantaneous short-circuit trip threshold.
Will this breaker match my existing ITE HN3B700?
Yes. Siemens acquired ITE and continued producing this exact frame under the same HN3B700 catalog number. Whether your existing breaker is labeled ITE or Siemens, this unit is a direct functional replacement.
Can the HN3B700 be installed in a standard residential load center?
No. The HN3B700 is a large M-Frame bolt-on circuit breaker designed strictly for commercial and industrial power panelboards and switchboards. It will not fit in standard residential load centers.
What frame family does the HN3B700 belong to?
The HN3B700 is part of the legacy Siemens and ITE M-Frame family. Specifically, it uses the HN frame design, which is a standard footprint for 700A applications in older Siemens and ITE distribution equipment.
Does the HN3B700 require specific mounting hardware?
Yes, as a bolt-on breaker, it requires the appropriate busbar mounting hardware to secure it within Siemens or ITE switchboards and power panelboards. If you are replacing an existing breaker, you can typically reuse the existing mounting hardware.
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