ABB / General ElectricSKLB36BB1200
ABB / General Electric SKHB36BD1200 Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
ABB / General Electric
SKHB36BD1200
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
SKHB36BD1200
Quantity
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ABB / General Electric SKHB36BD1200 - 1200A 3 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty industrial applications, the GE SKHB36BD1200 is a 3-pole molded case circuit breaker from the Spectra RMS line. The bolt-on unit is designed for use with Spectra Series power panelboards and switchboards. If migrating to newer hardware, it is replaced by the XT7SU312EGFF000XXX using the SRFB3XT7MFPX retrofit kit. Offering a 50 kAIC rating at 480VAC, this breaker features an electronic trip unit with adjustable LSIG parameters, including integrated ground fault protection.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | SKHB36BD1200 |
| Series | SKHB |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 600-1200A |
|---|
| Frame Type | SKHB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Spectra Series Switchboards, Spectra Series Power Panelboards, Spectra Series Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Lugs, Rating Plugs, Shunt Trip, Auxiliary Switch, Undervoltage Release, Bell Alarm |
|---|---|
| Accessories | MicroVersaTrip Plus Trip Unit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | True RMS Sensing, Reverse Feed, Current Limiting, Visual Trip Indicator, Interchangeable Trip Unit, HACR Rated |
Product FAQs
7 answersWhat panelboards and switchboards are compatible with the SKHB36BD1200?
This breaker is designed for use in General Electric Spectra Series Switchboards, Spectra Series Power Panelboards, and Spectra Series Motor Control Centers.
How is the continuous current rating set on the SKHB36BD1200?
The continuous current rating is established using a field-installable rating plug. Because it features an electronic trip unit, you must install a compatible SK1200 frame rating plug, such as the SRPK1200A1200, to match your specific load requirements up to 1200 amps.
Which lug kits are compatible with this SK1200 frame circuit breaker?
For cable connections on the SK1200 frame, compatible General Electric lug kits include the TCAL124 and TCAL125, depending on your specific wire size and conductor requirements.
What is the modern ABB replacement for the SKHB36BD1200?
Following ABB's acquisition of GE Industrial Solutions, the Spectra RMS series was replaced by the Tmax XT line. You can upgrade to the ABB XT7SU312EGFF000XXX breaker by utilizing the SRFB3XT7MFPX retrofit kit to fit your existing Spectra equipment.
Does this breaker require an external relay for ground fault protection?
No, the integrated LSIG electronic trip unit includes built-in ground fault protection. This allows for equipment ground fault monitoring directly from the breaker without the need for an external relay system.
Can the SKHB36BD1200 be mounted on a standard DIN rail?
No, this is a heavy-duty bolt-on molded case circuit breaker. It must be bolted directly to the busbars within compatible Spectra Series enclosures and is not designed for DIN rail mounting.
What is the purpose of the trip targets on the SKHB36BD1200?
The trip targets are visual indicators on the electronic trip unit that display which specific fault condition (Long-Time, Short-Time, Instantaneous, or Ground-Fault) caused the breaker to trip. This aids electricians in rapid troubleshooting after a fault.
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