UL 1558

Name: "UL 1558"
Rating: 5 (183 reviews)

SKU: 0951066447

الطراز: FP-LSG

Jiangsu Dinghong Power Co., Ltd.

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Product Specification

Type	Main Incoming Switchgear Feeder Switchgear Bus Tie / Bus Coupler Switchgear Distribution Switchgear Metering Switchgear Generator Switchgear Automatic Transfer Switchgear	Model	FP-LSG
Params	1. Frame Types & ACB Ratings The product line includes three frame sizes with graded air circuit breaker (ACB) frame current ratings: - LSG-4: 600A, 1000A, 1200A, 1600A - LSG-2: 800A, 1000A, 1200A, 1600A, 2000A, 2500A, 3200A - LSG-1: 3200A, 4000A, 5000A, 6000A 2. Busbar Current Capacity - Horizontal busbar ampacity is uniform across all series, reaching up to 6000 A. - Vertical busbar capacity scales with frame size: up to 1600 A for LSG-4, up to 4000 A for LSG-2, and up to 6000 A for LSG-1. 3. Basic Electrical Ratings - Rated voltage: 254 V / 508 V / 635 V - Rated frequency: 60 Hz - AC power frequency withstand voltage: 2.2 kV for 1 minute - Arc resistance performance: Type 2B, rated 100 kA / 0.5 second 4. Short-Circuit Withstand Capability - Horizontal busbar short-circuit rating: 150 kA / 1 s for all three models. - Vertical busbar short-circuit ratings (symmetrical / peak): - LSG-4: 65 kA / 149.5 kA - LSG-2: 85 kA / 195.5 kA - LSG-1: 100 kA / 230 kA 5. Dimensions & Configuration - Enclosure dimensions (W × D × H, inches): - LSG-4: 26 × 70 × 90 - LSG-2: 36 × 80 × 90 - LSG-1: 48 × 80 × 90 - Number of circuit breakers per panel: 4 units for LSG-4, 2 units for LSG-2, and 1 unit for LSG-1. 6. Applicable Standards The full series complies with IEEE C37.20.1, UL 1558, IEEE C37.20.7 and ANSI C37.51, fully meeting North American low-voltage switchgear specifications.	Material	Enclosure & Structural Frame High-strength steel enclosure and reinforced structural frame for mechanical strength and long-term durability. Busbars High-conductivity copper or aluminum busbars, sized according to rated current and short-circuit requirements. Circuit Breakers UL-listed low-voltage power circuit breakers, typically configured as drawout or fixed devices according to the switchgear design. Insulation Components High-performance insulating materials, including barriers, supports and molded insulation components. Busbar Supports High-strength insulating supports designed to withstand electrical, thermal and mechanical stresses during fault conditions. Terminals & Connections Copper or aluminum conductive components with project-specific cable and busbar connection arrangements.
Applicable Industry	Data Centers Power Generation Industrial Facilities Oil & Gas Mining & Metallurgy Commercial Facilities Healthcare Facilities Infrastructure

Feature

01 | UL 1558 Listed Designed and manufactured for applications requiring UL 1558 metal-enclosed low-voltage power circuit breaker switchgear. 02 | High Short-Circuit Withstand Capability Robust busbar supports and structural design provide high mechanical and thermal withstand capability under specified fault conditions. 03 | Drawout Circuit Breaker Design Drawout construction allows circuit breakers to be connected, disconnected and isolated without removing the breaker from the switchgear lineup, subject to the applicable configuration. 04 | Enhanced Operational Safety Mechanical and electrical interlocking systems help prevent unsafe operating sequences and improve personnel and equipment protection. 05 | High Current Capacity Designed for high-current applications with configurable busbar and circuit breaker ratings according to project requirements. 06 | Flexible Configuration Main breakers, feeder breakers, bus ties, metering, protection and control functions can be configured according to system requirements. 07 | Easy Maintenance Accessible components and withdrawable circuit breakers simplify inspection, testing, maintenance and replacement. 08 | Critical Power Applications Well suited for data centers, power plants, industrial facilities and other applications requiring reliable low-voltage power distribution.

UL1558