Description
The Schneider Electric LGA36400U33X is a molded case circuit breaker engineered for dependable overcurrent and short-circuit protection in industrial and commercial power distribution systems. Rated at 400 amps and up to 600 VAC, it supports three-pole applications requiring stable performance and controlled interruption. Its I-Line unit mount design enables efficient installation in switchboards and panelboards.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Schneider Electric |
| Category |
Circuit Breaker |
| Part Number |
LGA36400U33X |
| Subcategory |
Molded Case Circuit Breaker |
| Series / Brand Line |
Square D |
| Breaker Type |
Molded Case Circuit Breaker |
| Current Rating |
400 A |
| Maximum Voltage |
600 VAC |
| Number of Poles |
3 |
| Frequency |
50/60 Hz |
| Interrupting Rating |
18 kA at 600 VAC |
| Mounting |
I-Line unit mount |
| Conductor Range |
AWG 3/0 to 500 kcmil |
| Front Cover Protection |
IP40 |
| Tightening Torque |
50 N·m |
| Dimensions |
Height 6 in; Width 140 mm; Depth 110 mm |
| Standards |
UL, CSA, NEMA, IEC 60947-2, NOM-003 |
| Weight |
6.2 kg |
Information About LGA36400U33X
The LGA36400U33X is part of Schneider Electric’s Square D molded case circuit breaker lineup, designed to deliver consistent protection for feeder and branch circuits. It features a robust molded case housing and is compatible with I-Line mounting systems for streamlined integration into electrical distribution equipment. The breaker supports a wide conductor range and operates reliably across standard 50/60 Hz systems. Built to meet recognized international standards, it is suited for demanding industrial environments requiring precise fault protection.
Key Features:
- 400 Amp Current Rating: Supports medium-to-high capacity power distribution applications.
- 600 VAC Voltage Rating: Designed for high-voltage AC electrical systems.
- Three-Pole Configuration: Provides protection for three-phase circuits.
- I-Line Unit Mount: Enables fast, secure installation in compatible switchgear.
- 18 kA Interrupt Rating: Safely interrupts high fault currents at rated voltage.
- Wide Conductor Compatibility: Accepts conductors from AWG 3/0 to 500 kcmil.
- IP40 Front Cover: Offers protection against solid object intrusion at the front face.
The LGA36400U33X delivers the reliability and precision required for industrial and commercial circuit protection.
