Lovato GLX420400 IEC/EN fourth pole add-on 400A

Lovato GLX420400 IEC/EN fourth pole add-on 400A

Lovato GLX420400 fourth pole add-on accessory for GL0400C1 switch disconnectors featuring 400 A Ith rating, 1000 V insulation voltage and simultaneous pole operation.

SKU: GLX420400Alt SKU: GLX42 0400MPN: GLX420400
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Why Choose the Lovato GLX420400 Fourth Pole Add-On?

The Lovato GLX420400 is a high-quality fourth pole add-on accessory designed specifically for the Lovato GL0400C1 switch disconnector. It enables a compatible three-pole switch disconnector to be converted into a four-pole configuration while maintaining simultaneous operation across all poles, making it ideal for industrial isolation and power distribution systems.

As part of the proven Lovato GL switch disconnector accessory range, the GLX420400 delivers reliable switching performance for demanding industrial environments. It is engineered for straightforward integration into new control panels or retrofit installations, helping machine builders and panel manufacturers achieve compliant four-pole isolation without replacing the primary switch disconnector.

With a conventional free air thermal current rating of 400 A, a rated insulation voltage of 1000 V and a rated impulse withstand voltage of 12 kV, the GLX420400 is designed to deliver dependable performance in heavy-duty AC power distribution and industrial control applications.

Key Advantages

  • Designed specifically for the Lovato GL0400C1 switch disconnector.
  • 400 A conventional thermal current for demanding industrial applications.
  • Provides a simultaneous-closing fourth pole for reliable switching.
  • Maintains coordinated operation with the main switch disconnector poles.
  • Ideal for four-pole isolation in industrial distribution systems.
  • Manufactured in accordance with IEC/EN 60947-1 and IEC/EN 60947-3.

Key Features

  • Lovato GL series accessory.
  • Fourth pole add-on module.
  • One-pole accessory configuration.
  • 400 A IEC conventional free air thermal current (Ith).
  • 1000 V rated insulation voltage (Ui).
  • 12 kV rated impulse withstand voltage (Uimp).
  • Compatible with GL0400C1 switch disconnectors.
  • Compact design for easy panel integration.

Reliable Four-Pole Expansion for Industrial Switch Disconnectors

The Lovato GLX420400 enables electrical engineers and panel builders to expand compatible three-pole switch disconnectors into four-pole isolation devices while maintaining coordinated switching performance. This provides an efficient solution where neutral isolation or complete four-pole switching is required.

Designed exclusively for the Lovato GL0400C1, the accessory offers dependable mechanical operation, high electrical ratings and full compliance with recognised IEC standards, making it suitable for industrial control panels, switchboards and OEM equipment.

Typical Applications

  • Industrial switchboards.
  • Electrical distribution panels.
  • Machine isolation systems.
  • OEM control panel manufacturing.
  • Industrial power distribution.
  • Four-pole AC isolation applications.

Technical Specifications

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Device Type Accessory
Current 400 A
Phase Three Phase
Manufacturer Lovato Electric
Series GL Switch Disconnectors
Model GLX420400
Product type Switch disconnector accessory
Accessory type Fourth pole add-on
Compatible switch disconnector GL0400C1
Number of poles 1
Operating voltage type AC
IEC conventional free air thermal current (Ith) 400 A
Rated insulation voltage (Ui) 1000 V
Rated impulse withstand voltage (Uimp) 12 kV
Standards IEC/EN 60947-1, IEC/EN 60947-3
Operation Simultaneous closing with switch disconnector poles
Weight Approx. 902 g
EAN 8013975266380
HS Code 85365080

Frequently Asked Questions

What is the Lovato GLX420400 used for?

The GLX420400 adds a fourth pole to compatible Lovato GL0400C1 switch disconnectors, creating a four-pole isolation solution.

Which switch disconnector is this accessory compatible with?

It is designed specifically for the Lovato GL0400C1 switch disconnector.

What is the thermal current rating?

The GLX420400 has an IEC conventional free air thermal current (Ith) rating of 400 A.

Does the fourth pole operate together with the main switch?

Yes. The accessory is designed so the additional pole closes simultaneously with the switch disconnector poles.

Which standards does the GLX420400 comply with?

The accessory complies with IEC/EN 60947-1 and IEC/EN 60947-3.

Trusted by Panel Builders Worldwide

Lovato GL switch disconnector accessories are trusted by industrial panel builders, OEMs and electrical engineers for dependable isolation, reliable switching performance and long-term durability in demanding industrial installations.