Siemens EF3L050 Motor Circuit Protector
- 50A
- 3 Pole
- Bolt-On
Quantity
Siemens EF3L050 - 50A 3 Pole Motor Circuit Protector
Re-Certified
Quantity
Description
Part of the EF series, the Siemens EF3L050 is a 3-pole, 50A motor circuit protector designed for industrial motor control applications. It provides instantaneous magnetic-only protection to prevent motor damage during short circuits. This bolt-on device mounts into Siemens and legacy I-T-E panelboards, as well as motor control centers. For modern upgrades, this unit is replaced by the ED63A050 model. Rated for 600VAC, it features an adjustable low instantaneous trip range.Specifications
| Brand | Siemens |
|---|---|
| Part Number | EF3L050 |
| Series | EF |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 600VAC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC |
| Amperage Range | 150-500A |
|---|
| Frame Type | EF |
|---|---|
| Terminal Type | Lugs |
| For Use With | Motor Control Centers, Siemens / I-T-E Panelboards |
| Wire Gauge | 10-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 AWG |
| Trip Technology | Magnetic Only |
|---|---|
| Trip Function Code | I |
| Trip Function | Instantaneous Only |
| Trip Adjustability | Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs |
| Standards | NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Motor Circuit Protector, Non-Interchangeable Trip |
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
- VGVictor G.Verified BuyerRated 5 out of 5 stars11/6/25Breakers fit my needs
I wish I would of shopped this I found exact breaker for 400.00 cheaper
- RFRobert F.ReviewingSiemens EF3A100 - 100A 3 Pole Motor Circuit ProtectorI recommend this productRated 5 out of 5 stars7/25/22Fast order and service for a part in good condition
Fast order and service for a part in good condition.