UL 1558 Switchgear

The UL 1558 Switchgear supports the development of high-quality power systems for data centers, industrial sites, and other critical facilities. Its compact design supports efficient installation while addressing user convenience and safety. The switchgear has been tested in accordance with ANSI / IEEE C37.20.7 Type 2B guidelines under 635 V, 100 kA conditions.

Rated Voltage: Up to 635 V
Rated Short-Circuit Current: 65 – 100 kA
Rated Current: 800 – 6000 A

Key Features

High Reliability

Complies with UL/ANSI standards and provides the required protection and safety functions.

Arc-Resistant Construction

Provides arc fault protection up to 100 kA at 635 V AC.

Modular Design

Modular frame design supports flexible equipment arrangements.

Form 4b Compartmentalized Structure

Barrier construction between the busbar and each unit helps prevent the spread of arc faults.

Connect with Our Product Expert

Reach out to our dedicated specialist for technical inquiries and product support.

powersystem.sales@lselectricamerica.com

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Lineup

		D-type	E-type	G-type
Rated voltage		Up to 635 V
Rated short circuit withstand current (kA)	H-BUS	100(@635V)	100(@635V)	100(@635V)
Rated short circuit withstand current (kA)	V-BUS	65(@635V)	85(@635V)	100(@635V)
Rated current (A)		800 - 1600	800 - 3200	3200 - 6000

Downloads

CatalogsNov 04, 2025

Susol UL LV SWGR

[Susol_LV_SWGR]_UL_EN_C800O2-05-202510.pdf (2.56MB)

CertificatesFeb 11, 2022

UL1558 LV Switchgear - G Type Internal arc

E496228-20200929-CertificateofCompliance 1-4 G Type(internal arc).pdf

Certificates

UL1558 LV Switchgear - G Type

E496228-20200831-CertificateofCompliance 1-3 G Type.pdf

Certificates

UL1558 LV Switchgear - E Type

E496228-20200717-CertificateofCompliance 1-2 E type.pdf

Certificates

UL1558 LV Switchgear - D Type

E496228-20200529-CertificateofCompliance 1-1 D type.pdf

Markets

Discover how our real-time monitoring and precise control capabilities drive operational efficiency, ensure compliance,
and maintain 24/7 continuity across the most demanding global markets.

Data Center

Scalable & Uninterrupted Power

Ensure 24/7 uptime with high-reliability power distribution and smart monitoring. Engineered for the precision, efficiency, and scalability required by mission-critical hyperscale environments.

Power Grid

Intelligent Grid & Energy Orchestration

Optimize energy flow from generation to distribution. We empower utilities and enterprise microgrids with advanced grid intelligence, seamless BESS integration, and renewable energy management.

Oil & Gas, Mining Industries

Rugged Reliability for Harsh Environments

Maximize operational safety and efficiency under extreme conditions. Deliver robust power solutions and intelligent automation tailored for petrochemicals & refining, heavy metals & mining

Public Infrastructure

Resilient Power for Mission-Critical Facilities

Safeguard essential public services with robust electrical architectures. We deliver highly reliable power control and automation for government facilities, aviation hubs, water treatment plants

Industrial

Smart Automation & Motor Control

Drive manufacturing excellence and minimize production downtime. Our precision automation and power systems are optimized for automotive lines, semiconductor fabrication, heavy machinery

Commercial & Residential

Optimized Energy for Smart Buildings

Protect critical building systems and enhance overall energy efficiency. Delivering safe, compliant, and scalable power solutions for high-rise commercial spaces, logistics hubs, retail complexes