Siemens / ITE HP3B1200 Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
Quantity
Siemens / ITE HP3B1200 - 1200A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
A drop-in replacement for legacy ITE and Siemens systems, the HP3B1200 restores power distribution without requiring extensive panel modifications. It is specifically designed for integration into older commercial and industrial switchboards and power panelboards. Rated for 65kAIC at 240VAC, this thermal-magnetic MCCB features an interchangeable trip unit and adjustable magnetic settings. It serves as an exact substitute for HNX3B120 and HND63B120 models in existing installations.Specifications
| Brand | Siemens / ITE |
|---|---|
| Series | HP |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC, 42kA @ 250VDC |
| Frame Type | HP |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Switchboards, Power Panelboards |
| Wire Gauge | (4) 250-500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| 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, Lugs |
|---|---|
| Accessories | Mounting Hardware |
| Standards | CSA C22.2 No. 5.1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
Product FAQs
5 answersWhat wire size is accepted by the standard lugs on the HP3B1200?
The factory lugs accommodate four 250 to 500 kcmil copper or aluminum conductors per phase.
What type of trip unit is installed in this breaker?
It is equipped with a thermal magnetic trip unit providing LI protection. The thermal element for long time overload protection is fixed, while the magnetic element for instantaneous short circuit protection is adjustable.
Which electrical distribution equipment is this breaker designed for?
The HP3B1200 is a bolt-on breaker intended for use in legacy Siemens and ITE power panelboards and switchboards configured for HP frame devices.
Does this molded case circuit breaker support direct current applications?
Yes, it is rated for 250VDC systems and provides a 42kA interrupting capacity for direct current applications.
Why is this breaker classified as a legacy MCCB?
The ITE HP frame is an older design that has been superseded by newer Siemens breaker families. It is primarily used as a direct replacement in existing switchboards to eliminate the need for custom retrofitting kits.
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