Product Function and Application
• HSM90-125 series isolating switches provide isolation functionality for industrial, energy, civil construction, and infrastructure applications as main switches.
Product Features
• Visible contact status
• Cage clamp terminal structure: ensures secure wiring
• Clear ON/OFF position indicators prevent misoperation
Applicable Environment
• Operating Temperature Range: -30℃ to +70℃, 24-hour average ≤+35℃
• Storage Temperature: -40℃ to +70℃
• Altitude: Installation altitude ≤2000m
• Humidity Resistance: Class 2 (95% RH at 55℃)
• Pollution Degree: Level 3
• Protection Class: IP20
•
Installation Category: Class III (distribution level)
Installation
• Mounting: On TH35mm×7.5mm (EN50022) standard rails
• Orientation: Vertical installation required
Environmental Compliance
• RoHS compliant
Installation, Operation and Maintenance Instructions
• Safety Warnings:
• Always read this manual before installation, operation, or maintenance
• DANGER:
• Never operate with wet hands
• Never touch live parts during operation
• Ensure product is de-energized during maintenance
• Never test products by short-circuiting
• Precautions:
• Only qualified personnel may install or maintain
• Do not modify factory-calibrated settings
• Verify rated voltage/current/frequency before use
• Insulate exposed conductors to prevent phase-to-phase short circuits
• Discontinue use if damage or abnormal noise is detected
• Maintenance Requirements:
• Performed by qualified personnel only
• Ensure product is de-energized
• Annual maintenance under normal operating conditions