Siemens / ITE HPB3B1400 Molded Case Circuit Breaker
- 1400A
- 3 Pole
- Bolt-On
Quantity
Siemens / ITE HPB3B1400 - 1400A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Built for heavy industrial applications, the HPB3B1400 is a 3-pole, 1400A molded case circuit breaker from Siemens' legacy HP frame family. It delivers reliable thermal-magnetic protection with a 50kAIC rating at 480VAC and adjustable instantaneous trip settings. This bolt-on MCCB mounts into existing Siemens switchboards and power panelboards, making it an exact fit for aging infrastructure. It serves as the original counterpart to the newer VL Series HPX3B140 and HPD63B140 models.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | HPB3B1400-R |
| Series | HP |
| Amperage | 1400A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC, 42kA @ 250VDC |
| Frame Type | HPB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Switchboards, Power Panelboards |
| 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
7 answersWhat type of enclosures or equipment can accept the HPB3B1400 breaker?
This legacy HPB frame breaker is designed for installation in compatible Siemens switchboards and power panelboards that accommodate KP or HP frame sizes.
How are the conductors terminated on the HPB3B1400?
This breaker is configured for lug terminals. When installing, ensure you use the correct wire gauge and apply the specific torque values printed on the breaker faceplate to guarantee a secure connection.
Is the HPB3B1400 an active production model or a legacy part?
The HPB3B1400 is part of the legacy ITE and Siemens molded case circuit breaker family. It is primarily sourced to maintain, repair, or expand existing electrical systems rather than for new construction.
What safety procedures are required when replacing a bolt-on HPB frame breaker?
Always de-energize the switchboard, verify the power is off with a properly rated voltage tester, and apply standard lockout tagout devices before unbolting the breaker from the busbar.
How does the adjustable magnetic trip function work on this breaker?
The adjustable magnetic trip allows electricians to set the instantaneous short circuit response threshold. This provides better fault coordination with other breakers in the system, while the thermal overload protection remains fixed at 1400 amps.
Can the HPB3B1400 be used in direct current applications?
Yes, this breaker is rated for use in DC systems up to 250V DC. This makes it suitable for specific industrial or heavy commercial applications requiring high amperage DC circuit protection.
What does the LI trip function code indicate on this Siemens breaker?
The LI designation means the breaker provides Long-Time overload protection and Instantaneous short circuit protection. This is the standard configuration for thermal magnetic trip units.
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