Description
The Square D GJL36050 is a 50 Amp, 3-pole molded case circuit breaker designed for three-phase electrical systems. It provides thermal-magnetic protection for circuits up to 600 VAC. This unit-mount breaker is compatible with Square D control panels, switchboards, and enclosures.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Circuit Breaker |
| Part Number |
GJL36050 |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
GJL |
| Poles |
3 |
| Current Rating |
50 Amp |
| Voltage Rating |
208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC |
| Phase |
Three-Phase |
| Trip Type |
Thermal-Magnetic |
| Trip Function |
Long-Time, Instantaneous |
| Trip Adjustability |
Fixed Thermal, Fixed Magnetic |
| Mounting Type |
Unit Mount / Bolt-On |
| Terminal Type |
Lugs (Line & Load) |
| Wire Range |
14–1/0 AWG (Cu), 8–1/0 AWG (Al) |
| Interrupting Rating |
100kA @ 208Y/120VAC, 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 18kA @ 600Y/347VAC |
| Optional Features |
Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
| Standards |
CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approvals |
CE, CSA, IEC, UL |
| Operating Temperature |
40°C |
| Construction Features |
HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip |
| Weight |
9 lbs |
Information About GJL36050
The GJL36050 is part of Square D’s GJL series of molded case breakers, engineered for industrial and commercial applications. It features a bolt-on connection with standard line and load lugs for secure installation. The breaker has a G-frame type with thermal-magnetic trip technology and long-time/instantaneous (LI) functionality. It supports wire sizes from 14 AWG to 1/0 AWG for copper and 8 AWG to 1/0 AWG for aluminum conductors.
Key Features:
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Series: GJL Series molded case breaker for industrial applications.
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Poles: 3-pole configuration for three-phase systems.
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Current Rating: 50 Amp continuous load capacity.
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Voltage Rating: 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC compatible.
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Mounting Style: Unit-mount with bolt-on connection.
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Trip Mechanism: Thermal-magnetic with long-time and instantaneous (LI) protection.
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Interrupting Capacity: 100kA @ 208Y/120VAC, 100kA @ 240VAC, 65kA @ 480Y/277VAC, 65kA @ 480VAC, 18kA @ 600Y/347VAC.
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Wire Range: 14–1/0 AWG (Cu), 8–1/0 AWG (Al).
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Optional Features: Shunt trip, auxiliary switch, undervoltage release, alarm switch.
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Construction Features: HACR rated, high interrupting capacity, non-interchangeable trip.
The GJL36050 delivers the reliability and precision required for industrial and commercial three-phase circuit protection.
