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Square D BJL36050 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Unit Mount
Square D
BJL36050
Molded Case Circuit Breaker
Brand
Square D
SKU
BJL36050
Quantity
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Square D BJL36050 - 50A 3 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty power distribution, the Square D BJL36050 is a 50A, 3-pole molded case circuit breaker. It utilizes a fixed thermal-magnetic trip mechanism, providing essential Long-Time and Instantaneous (LI) protection for commercial systems. Designed to replace legacy FCL34050 and FHL36050 models, this unit-mount breaker fits seamlessly into switchboards and enclosures.Specifications
| Brand | Square D |
|---|---|
| Series | BJL |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 208Y/120VAC, 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 50kA @ 250VDC |
| Frame Type | B |
|---|---|
| Terminal Type | Lugs |
| For Use With | Industrial Control Panels, Enclosures, Switchboards |
| Wire Gauge | 14 AWG-3/0 AWG (Al/Cu) |
| Max Wire | 3/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle, Motor Operator |
|---|---|
| Accessories | EverLink Lugs (Line & Load) |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, EN/IEC 60947-5-1, GB 14048.2, NEMA AB 1, NMX J-266, UL 489 |
| Approval | CCC, CE, CSA, EAC, HACR, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Trip-Free Mechanism, Quick-Make/Quick-Break, Double-Break Rotary Contact Structure, Non-Interchangeable Trip |
Product FAQs
7 answersWhat are the benefits of the EverLink lugs included on this 50A breaker?
EverLink lugs are designed to combat cable creep and maintain a durable, long-term connection. They minimize loose wiring caused by wire strand deformation, thermal cycling, and vibration, ensuring a secure connection for 14 AWG to 3/0 AWG aluminum or copper wire.
Can the BJL36050 be mounted on a standard DIN rail?
Yes, PowerPacT B-Frame unit-mount circuit breakers feature integrated DIN rail mounting clips. They can be snapped directly onto a standard 35mm DIN rail or mounted to a backpan using screws.
How does the interrupting rating of the BJL36050 change based on system voltage?
The J-tier interrupting rating provides 100kA at 240VAC, 65kA at 480VAC, and 25kA at 600VAC. It is also rated for 50kA at 250VDC.
What does the BJL prefix indicate in the Square D PowerPacT catalog number?
In the PowerPacT nomenclature, B designates the compact B-Frame, J indicates the interrupting rating tier (up to 65kA at 480V), and L specifies that it is a unit-mount breaker with lugs on both the line and load sides.
Are auxiliary contacts or shunt trips compatible with this B-Frame breaker?
Yes, PowerPacT B-Frame circuit breakers support a wide range of field-installable accessories, including auxiliary switches, shunt trips, and undervoltage releases. These accessories click into place under the front cover.
Can the thermal or magnetic trip settings be adjusted on the BJL36050?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time (thermal) overload protection and the instantaneous (magnetic) short-circuit protection are factory-set for 50 amps and cannot be adjusted in the field.
What type of internal contact mechanism does the PowerPacT B-Frame use?
All PowerPacT B-Frame circuit breakers are equipped with dual-break rotating contacts. This design reduces the amount of peak current and let-through energy during a short-circuit fault, enhancing overall equipment protection.
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