Product Description

Application Scope

The SGL8N-2 Disconnect Switch is suitable for DC photovoltaic systems, primarily installed in low-voltage distribution circuits, for infrequent making and breaking of the main circuit, and serves as an isolation and sectioning function for lines. It is applicable to industries such as energy storage, power, and construction, and is used in DC power grid circuits with rated voltages of DC1500V and rated currents of 32A to 500A.

Model and Meaning

S — Corporate Code

GL — Isolation Switch Code

8N — Design Sequence Number

2 - Shell frame rated current symbol (A) 32A-500A

OF1 — Auxiliary Code: None: No Auxiliary; OF1: 1 Set of Auxiliary; OF2: 2 Sets of Auxiliary

DO — Handle Operation: None: Inside Cabinet Operation; DO: Outside Cabinet Operation A/B

Operating Environment

● The installation site's altitude does not exceed 2,000m.
The ambient medium temperature shall not exceed +55℃ and not be lower than -5℃, with the average not to exceed 35℃ over 24 hours (except for special orders).
● The relative humidity at the installation location should not exceed 50% at the extreme temperature of +55℃, while it can be higher at lower temperatures, such as reaching 90% at +20℃. Occasionally, due to temperature changes, it may...
The condensed dew should be handled with special precautions.
● The circuit breaker for humid tropical conditions has an air relative humidity of no more than 95% at +25℃.
● Pollution level: 3rd grade
● The main circuit installation category is Class III, while the auxiliary circuit and control circuit installations not connected to the main circuit are Class II.
● The wet tropical circuit breaker can withstand the effects of humidity, salt mist, and mildew.
● Shall be installed in areas free of explosive hazards, conductive dust, and any conditions that could corrode metal or cause damage.
● In areas unaffected by rain and snow.

Electrical Technical Parameters

Category of Use

High-Temperature Volume Reduction Coefficient