LGA36400U31X - Square D PowerPacT L 400A 3 Pole 600VAC 18kA I-Line Molded Case Circuit Breaker with MicroLogic 3.3 Trip Unit

Product Overview

LGA36400U31X is a Square D PowerPacT L series I‑Line molded case circuit breaker, 3‑pole, rated 400A and 600VAC, with an 18 kA interrupting rating and a MicroLogic 3.3 trip unit.

This listing is for the part number LGA36400U31X offered in new condition. Request a quote for pricing and availability.

Key Features

• Manufacturer: Square D (PowerPacT L series)
• Part number: LGA36400U31X
• 400A rated current, 3‑pole
• 600VAC voltage rating
• 18 kA interrupting rating
• MicroLogic 3.3 electronic trip unit (integrated)

Function and purpose

This device is a molded case circuit breaker intended to provide overcurrent protection in low‑voltage power distribution systems. It is a 3‑pole I‑Line PowerPacT L breaker identified by part number LGA36400U31X.

• Provides overcurrent and short‑circuit protection as a molded case breaker.
• Identified for use where a PowerPacT L I‑Line breaker is required by system design.

Electrical ratings and performance

Verify the breaker matches your system ratings: 400A nominal current, rated for up to 600VAC, with an 18 kA interrupting rating as specified for this part number.

• Rated current: 400A (three‑pole)
• Voltage rating: 600VAC
• Interrupting rating: 18 kA

Trip unit details

This part includes a MicroLogic 3.3 electronic trip unit. The trip unit designation is included in the part identification for this SKU.

• Integrated MicroLogic 3.3 electronic trip unit (as part of this configuration).

Mounting and physical configuration

The breaker uses an I‑Line mounting style consistent with PowerPacT L equipment. Confirm physical dimensions and mounting compatibility against your panel or switchboard documentation before installation.

• Mounting: I‑Line (PowerPacT L)

Ordering and verification

Confirm the exact part number LGA36400U31X and that the listed electrical ratings meet your requirements prior to ordering. Contact sales to request a quote for pricing and lead time.

• Part number: LGA36400U31X
• Manufacturer: Square D
• Condition: New

Before You Order

Confirm the part number and that the breaker's voltage, current, and interrupting ratings meet your system requirements.

• Verify part number: LGA36400U31X
• Confirm system voltage and available fault current meet the breaker's ratings
• Request a quote for pricing and lead time

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for LGA36400U31X - Square D PowerPacT L 400A 3 Pole 600VAC 18kA I-Line Molded Case Circuit Breaker with MicroLogic 3.3 Trip Unit. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.