Modular switch Eti-Polam SV 140 40A 1P, single-pole 40 A

Eti-Polam SV 140 40A 1P is a modular single-pole switch designed for DIN-rail mounting in distribution boards. It provides a clear mechanical disconnection for 40 A circuits, intended to isolate and switch lighting, small motors, and branch circuits in residential and light-commercial electrical installations. The device's compact modular format fits standard consumer units and offers a visible break to support maintenance and emergency isolation tasks.

Advantages

The modular design enables easy installation and integration into standard DIN-rail switchgear. As a single-pole switch rated for 40 A, it offers a straightforward means of isolating one conductor while keeping the protective earth and neutral arrangements intact where applicable. The visible mechanical break gives clear confirmation of the circuit being opened, and the compact footprint conserves space inside distribution boards. The switch is suitable for repeated operation and provides reliable manual isolation when needed.

Suitable for

• Switching and isolating lighting circuits up to 40 A
• Isolation of small motors and peripheral equipment in light-commercial settings
• Use as a branch-circuit disconnect in residential distribution panels
• DIN-rail installation in consumer units and distribution boards

When it may not be suitable

This single-pole 40 A switch is not intended to provide overcurrent protection; it does not replace fuses or circuit breakers for short-circuit or overload protection. It may not be appropriate where multi-pole isolation, neutral switching, or integrated protective features are required. For installations that demand coordinated protective devices, residual-current protection, or a higher breaking capacity, choose compatible protective equipment alongside this switch.

Key specifications

• Poles: single-pole (1P)
• Rated current: 40 A
• Mounting: DIN-rail modular format
• Function: mechanical isolator / disconnect for switching and isolation
• Typical applications: lighting, small motors, branch circuits in residential and commercial boards

How to use

Mount the Eti-Polam SV 140 on a standard DIN-rail inside the distribution board and connect the phase conductor to the input terminal and the outgoing load conductor to the output terminal following applicable wiring rules. Operate the switch manually using the actuator to open or close the circuit; confirm the visible mechanical break when isolation is required for maintenance. Ensure all work is performed with the supply turned off and by a qualified electrician where local regulations require professional installation.

What to consider before purchase

• Verify the switch rating (40 A) matches the circuit load and downstream protective devices.
• Confirm single-pole isolation meets the requirements of your installation and local wiring regulations.
• Check available space in the distribution board for a modular DIN-rail device.

Usage recommendations

Use the switch in combination with appropriate overcurrent and residual-current protection devices; do not rely on the isolator for overload or short-circuit protection. For safe installation and compliance, follow national electrical codes and engage a qualified electrician when necessary.