ABB / General ElectricSKLB36BB1200
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ABB / General Electric SKLB36BA1200 Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Unit Mount
ABB / General Electric
SKLB36BA1200
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
SKLB36BA1200
Quantity
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ABB / General Electric SKLB36BA1200 - 1200A 3 Pole Molded Case Circuit Breaker
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Description
Providing high-capacity protection, the SKLB36BA1200 is a 3-pole, 1200A electronic trip breaker. It serves as a core component of the GE Spectra RMS lineup. This unit-mount MCCB fits GE A-Series panelboards and motor control centers. For upgrades, it is replaced by the ABB Tmax XT7 series using a specific retrofit kit. With a 65 kAIC rating at 480V, it features a digital trip unit. Operators benefit from true RMS sensing and adjustable long-time and instantaneous protection.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | SKLB36BA1200 |
| Series | SKLB |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 42kA @ 600VAC |
| Amperage Range | 600-1200A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | GE Spectra Series Switchboards, GE A-Series Panelboards, Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Lug Kit, Rating Plugs, Shunt Trip, Auxiliary Switch, Bell Alarm, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | MicroVersaTrip Plus Trip Unit, Rating Plug |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | True RMS Sensing, Interchangeable Trip Unit, Visual Trip Indicator, Reverse Feed |
Product FAQs
8 answersWhat enclosures or panels are compatible with the SKLB36BA1200?
This SK1200 frame breaker is designed for use in GE Spectra Series switchboards, A-Series panelboards, and motor control centers.
Does the SKLB36BA1200 support reverse feeding?
Yes, this GE Spectra RMS molded case circuit breaker is suitable for reverse feed applications.
What does the LIT designation mean on the trip unit?
The LIT designation indicates that the electronic trip unit features adjustable Long-Time and Instantaneous protection, along with visual Targets that display the specific cause of a trip.
What does the B in the SKLB prefix signify?
In the GE Spectra RMS nomenclature, the B indicates a high-interrupting capacity frame, providing a 65kAIC rating at 480VAC.
How is the operational amperage configured on this breaker?
The SKLB36BA1200 utilizes an interchangeable rating plug installed in the MicroVersaTrip Plus trip unit to establish the exact operational current limit up to 1200A.
Why is this breaker listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions. Legacy GE Spectra RMS breakers like the SKLB36BA1200 are now manufactured and supported under the ABB brand umbrella.
Is there a modern replacement for the SKLB36BA1200?
Yes, ABB offers the Tmax XT7 series as the direct upgrade path for legacy SK frame breakers. A specific retrofit kit is required to install an XT7 breaker into existing GE Spectra enclosures.
How do the trip targets improve electrical safety and maintenance?
The visual trip targets on the MicroVersaTrip unit indicate whether a fault was caused by an overload or a short circuit. This allows electricians to safely diagnose and resolve the underlying issue before resetting the system.
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