ABB / General ElectricSFLA36AT0250
ABB / General Electric EZSFHA36AT0250 Molded Case Circuit Breaker
- 250A
- 3 Pole
- Bolt-On
ABB / General Electric
EZSFHA36AT0250
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
EZSFHA36AT0250
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ABB / General Electric EZSFHA36AT0250 - 250A 3 Pole Molded Case Circuit Breaker
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Description
Part of the Spectra RMS family, this 250A electronic trip breaker delivers precise LSI protection for commercial and industrial systems. It installs into GE panelboards, switchboards, and motor control centers using a bolt-on configuration. Featuring true RMS sensing and interchangeable rating plugs, this current-limiting device coordinates easily with downstream loads. Note that this series is replaced by the XT4 line, which requires an ABB retrofit kit for existing enclosures.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | EZSFHA36AT0250 |
| Series | SFHA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 240VAC, 480Y/277VAC, 480VAC, 600VAC, 120/240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 120VAC, 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 22kA @ 600VAC, 65kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE Spectra Series Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 8 AWG - 350 kcmil (Cu/Al) |
| Max Wire | 350 kcmil |
| Min Wire | 8 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch, Bell Alarm, Lug Kits, Rating Plugs |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated, Reverse Feed, True RMS Sensing, Interchangeable Rating Plugs |
Product FAQs
5 answersWhat equipment is the EZSFHA36AT0250 designed to be installed in?
This SF-frame breaker is compatible with GE Spectra Series panelboards, switchboards, and motor control centers.
What wire sizes are accepted by the standard lugs on this breaker?
The included lugs accept wire sizes from 8 AWG up to 350 kcmil and are rated for both copper and aluminum conductors.
What adjustments are available with the LSI electronic trip unit?
The LSI designation means the electronic trip unit allows adjustments for Long-Time, Short-Time, and Instantaneous trip functions. This provides precise control for selective coordination in complex electrical systems.
Why is this breaker listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions. The Spectra RMS series, including the EZSFHA36AT0250, may carry either brand name depending on the manufacturing date, but the physical dimensions and performance specifications are identical.
How does the EZSFHA36AT0250 connect to the panel bus?
This is a bolt-on circuit breaker that fastens directly to the buswork of compatible Spectra Series enclosures. Depending on your specific panelboard or switchboard, a separate mounting strap kit may be required.
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