Bussmann ER12-40N3GMS - 40A, Disconnect Switch

Bussmann ER12-40N3GMS is a rugged 40A disconnect switch designed to deliver safe electrical isolation in demanding industrial and commercial settings. Built for reliability, it supports lockout/tagout procedures and provides confident disconnection under load when servicing equipment or powering down in emergencies.

• 40A amperage rating handles typical machine feeds and control circuits with room for startup surges, reducing the need for extra hardware.
• Lockout/Tagout compatibility enables padlockable isolation, helping teams meet safety protocols and minimize re-energization risk during maintenance.
• Under-load disconnection capability ensures safe isolation even when equipment is energized, lowering downtime and enhancing technician safety.
• Long-term durability built to withstand demanding environments, delivering consistent performance with minimal maintenance.
• Versatile integration designed for straightforward installation in common electrical layouts, making it suitable for service entrances, panel boards, and equipment disconnect points.

This model, ER12-40N3GMS from Bussmann, is ideal for electricians, facilities teams, and panel builders who require a dependable, safety-forward disconnect solution for everyday shutdowns, routine maintenance, and system commissioning.

Key details: Amperage rating 40A • Product Type: Disconnect Switch • Brand: Bussmann • Model: ER12-40N3GMS

Choosing the ER12-40N3GMS means prioritizing worker safety and operational continuity. With its focus on reliable isolation, it’s a practical, long-term choice for any setup where clean, safe disconnection is part of the maintenance routine.