ABB / General ElectricSKLB36BB1200
ABB / General Electric SKHB36BB1200 Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Bolt-On
ABB / General Electric
SKHB36BB1200
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
SKHB36BB1200
Quantity
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ABB / General Electric SKHB36BB1200 - 1200A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial environments, the GE SKHB36BB1200 is a 3-pole electronic trip molded case circuit breaker from the Spectra RMS family. This bolt-on breaker installs into Spectra Series switchboards and panelboards. For upgrades, it is replaced by the XT7SU312EFFF000XXX using the SRFB3XT7MFPX retrofit kit. Rated for 50 kAIC at 480VAC, it features true RMS sensing. The MicroVersaTrip Plus unit provides configurable LSI protection for precise system coordination.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | SKHB36BB1200 |
| 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 | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| 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
6 answersWhy is the SKHB36BB1200 listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the production date, this Spectra RMS circuit breaker may carry either ABB or GE branding. Both versions are fully interchangeable and share the exact same specifications.
What type of enclosures and equipment are compatible with the SKHB36BB1200?
This 1200A SK-frame breaker is engineered specifically for installation in GE Spectra Series Switchboards, Spectra Series Power Panelboards, and Spectra Series Motor Control Centers.
Does the SKHB36BB1200 electronic trip unit require a rating plug?
Yes, Spectra RMS SK1200 frame breakers require a field-installable rating plug, such as the SRPK1200A1200 or SRPK1200B1200, to establish the maximum continuous ampere rating for the MicroVersaTrip unit.
How do the LSI trip functions operate on this Spectra RMS breaker?
The solid-state trip unit provides adjustable Long-Time, Short-Time, and Instantaneous (LSI) protection. This allows panel builders to precisely coordinate the breaker's trip curve with other protective devices in the system. It also features trip targets to indicate the cause of a fault.
What wire size is compatible with the standard lugs for the SKHB36BB1200?
When fitted with the standard TCAL125 lug kit, the terminals will accept four 250 kcmil to 500 kcmil copper or aluminum conductors per phase.
Is the SKHB36BB1200 suitable for reverse-feed installations?
Yes, this molded case circuit breaker is rated for reverse-fed applications, allowing power to be supplied to either the top or bottom terminals.
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