We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rotary cam changeover switch with black knob and four terminals

Ruth's sister

Ruth's sister LW28-20A Rotary Cam Changeover Switch 550V 20A

SKU CH-J6N0-P191F

A two-position rotary cam changeover switch rated 550 V and 20 A with four terminals for circuit switching

  • 2-position rotary cam for simple circuit changeover
  • 4-terminal layout enables straightforward wiring
  • 550 V rating suits industrial control panels
  • 20 A capacity handles moderate power loads

20 A Rotary Cam Changeover Switch

The Ruth's sister LW28-20A is a two-position rotary cam changeover switch rated for 550 V and 20 A. It provides four terminals for switching between two separate circuits in industrial or commercial electrical panels. The compact rotary mechanism suits control cabinets where manual source selection is required.

Four-Terminal Wiring Flexibility

Four screw terminals allow direct connection of incoming and outgoing conductors without extra lugs or adapters. The two-position cam action gives a clear mechanical indication of the selected circuit, reducing wiring errors during maintenance. No auxiliary contacts or indicator lights are included, so external monitoring must be added separately.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 91% of the 7,839 comparable items (median $14.99).

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Specifications

No published specifications for this item yet.

Questions about this item

How often should the cam contacts in this LW28-20A switch be inspected or replaced under normal load?

The cam contacts are rated for 20 A at 550 V; inspect them annually for pitting or overheating and replace if resistance rises or the rotary action becomes stiff.

What is the first limit reached when this 20 A rotary cam changeover switch runs continuously at full load?

The 20 A current rating is the primary limit; sustained operation at that level will hit the thermal capacity of the four terminals before any voltage constraint at 550 V.

More in Internal PSU & Riser Cables

Similar items