4.9 Based on 1181 reviews 
Description
Metal Clad 40A 4P Rotary Isolator
Niglon ISM404P
Niglon ISM404P Metal Clad 4-pole rotary switch is a Heavy-duty electrical isolator perfect Industrial isolation for 4-pole systems.
The Metal Clad Isolator is built for safe and reliable power isolation in industrial environments. Its robust metal housing and IP54 rating protect against dust and splashes, making it ideal for demanding electrical installations.
🔧 Key Features – ISM404P Metal Clad 40A 4P Isolator
- Type: 4-pole rotary isolator
- Current Rating: 40A
- Voltage Rating: 440V
- Insulation Voltage: 690V
- Power Control: Up to 15kW
- Withstand Current (Icw): 800A
- Enclosure: Metal Clad, IP54
- Colour: RAL7035 (light grey)
- Wiring Capacity: 10mm²
- Torque Setting: 1.2 N·m
- Standards: EN 60947-3
- Dimensions (HxWxD): 220 × 145 × 95mm
- Depth with Switch: 130mm
- Brand: Niglon
🛠 Technical Highlights
This Metal Clad Isolator IP54 40A isolator unit is made for tough jobs. It features early make contact for enhanced safety and consistent switching. The IP54-rated case guards against dust and moisture, so you can install it in more exposed or dusty areas.
Its strong rotary mechanism supports AC-22A, AC-23A, and AC-3 applications, which means it works for general switching, motor loads, and slightly inductive circuits.
📦 What’s in the Box
- 1 × Niglon ISM404P Metal Clad Isolator IP54 40A isolator unit
- 1 × Fixing pack and instructions
🏗 Best For
- Industrial switch control
- Workshop or warehouse installs
- Local isolation for machinery
- HVAC and power control panels
✅ Optional Add-On – Metal Clad 4-pole rotary switch
Use alongside thermal overloads or contactors for full motor protection and control.
📝 Summary – ISM404P Metal Clad 40A 4P Isolator
This Industrial isolator for 4-pole systems delivers safe and secure isolation in commercial and industrial setups. It’s easy to install, built to last, and provides peace of mind with every power-off cycle.
