Series MCS Miniature Current Switch

Low Cost, Solid or No Core, LED Confirmation, Adjustable Set Point

The Series MCS Miniature Current Switches are ideal for monitoring the current usage in fuse boxes and small control panels. Both models have adjustable set points and LED indication to show there is power to the unit and when the switch activates. Set points can be adjusted using the potentiometer next to the LED’s. Due to the size of the switch, it is only offered in solid core and no core versions. The no core version has terminal blocks which can accept currents up to 1 A directly into the unit.

Product Applications

  • BAS
  • HVAC

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

Model Description Usually Ships* Price Order
Ships: Next Day
Price: $25.50
No Core Terminal Connect Mini Current Switch. Next Day* $25.50 Order
Ships: Next Day
Price: $25.50
Solid Core Mini Current Switch. Next Day* $25.50 Order


Amperage Range:
MCS-111050: 0.5 to 50 A AC continuous; MCS-111001: 0.01 to 1 A AC continuous.
Output Rating:
Isolated, N.O. 0.3 A @ 130 V DC/AC.
Power Requirements:
None, self-powered.
Response Time:
<200 ms.
Temperature Limits:
32 to 122°F (0 to 50°C).
Humidity Limits:
10 to 95% RH (non-condensing).
Enclosure Rating:
UL 94V-0 flammability rated ABS, insulation class 600 V.
0.5 oz (14.5 g).
Agency Approvals:
CE, RoHS, cUL, UL.


  • Integral mounting flange for quick installation
  • Compact size fits in any space

Product Literature


Catalog Pages

Product Data Sheet



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