A switch disconnector, also called an isolator or load-break switch, makes and breaks load current and provides a visible, lockable isolation point for maintenance. Unlike a circuit breaker it does not trip on overload or short circuit; it is a switching and isolation device.
34 products Β· ABB
Browse by manufacturer
Related families and series
Product families
Series
What is a switch disconnector?
What Palm Parts Solution carries in this category
- ABB OT / OTP / OTDC β three- and four-pole switch disconnectors, including DC variants and handle/shaft accessories.
- Siemens 3LD β 3LD2 series switch disconnectors for panel and door mounting.
Pole count, current rating and mounting or handle accessories vary by catalog number. Confirm the exact part number for your panel arrangement, and request a quote for pricing and availability.
Machine down? Get a fast quote on the parts you need.
New, surplus, and refurbished industrial automation options. Request a quote or speak directly with an automation specialist for emergency sourcing.










