Description
NK AS1-NCU-CC – Current Sensing Switch, AS1 Compact Case Series; Normally Closed

- AS1 compact case series
- Current sensing switch compact case
- Output rating = Normally Closed
- Case Style = Compact case
The AS1 Series Compact Case Current Sensing Switches are compact and inexpensive. The easy-to-use ring slips onto the conductor to give a solid-state contact for indication of current flow. Ideal for use in control panels, or wherever confirmation of current flow is desired. AS1 Series-CC current sensing switches are a cost-effective way to detect live conductors and see current flow to fans, heaters, pumps, lighting or other AC powered devices.
Current Sensing Switch Applications
- Quick reporting of electric motor load status.
- Identify open heater circuit connection.
- Independent verification that the load is energized.
- Confirmation of operation for critical lighting or equipment.
- Low off state leakage is perfect for use as an input to a programmable logic controller.
Current Sensing Switch Features
Low Sensitivity Turn-on Point
- Detect currents as low as 0.5 A with a single conductor pass; eliminates the need to wrap conductors multiple times to increase sensitivity.
Reliable Solid-state Output
- No moving parts provides a nearly unlimited number of operations; powered from the monitored circuit.
Choice of Outputs
- Normally Open or Normally Closed connection. Connect the 24” long leads to a local controller or to a terminal block for remote operation.
Current Sensing Switch Ordering Information
Sample Model Number: AS1-NOU-CC
Adjustable AC current sensing switch, normally open, solid-core, compact case
| (1) | (2) | ||||||
| AS1 | – | – | C | C | |||
| (1) Output Rating | |
| NOU | Normally Open |
| NCU | Normally Closed |
| (2) Case Style | |
| CC | Compact case |
Product General Attributes | |
|---|---|
| Product Height | 1.25 IN |
| Product Length | 4.50 IN |
| Product Width | 4.10 IN |
| Shipping Height | 1.25 IN |
| Shipping Length | 4.50 IN |
| Shipping Width | 4.10 IN |




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