Eaton
Eaton current sensing relay 1.5 A self-powered SPST-NO split core 0.12 s delay
Self-powered current sensing relay with split-core design, 1.5 A fixed trip point and 0.12 s delay for 240 V solid-state switching
- Self-powered operation eliminates external supply
- Fixed 1.5 A trip point protects circuits
- Split-core design allows no-wire-installation
- Solid-state output rated .15 A at 240 V
- Built-in LED shows relay status
Eaton 1.5 A Current Sensing Relay
The Eaton ECSNOFSP is a self-powered solid-state relay that monitors AC current through a split-core sensor. It closes a SPST-NO contact when the sensed current exceeds a fixed 1.50 A trip point with a 0.12 s delay. The relay draws its operating power from the monitored conductor, so no separate control supply is required.
Suits installers adding overload indication
The split-core design lets electricians clip the sensor over a live conductor without breaking the circuit, making it ideal for retrofit monitoring of motors, heaters or lighting loads. It is not suited for applications that need an adjustable trip threshold, a change-over contact form, or a faster response than the fixed 0.12 s delay.
Behaviour under sustained load
Once the 1.50 A threshold is crossed continuously, the output remains closed for the duration of the over-current condition. The solid-state output is rated 0.15 A at 240 V AC or DC, so it drives pilot lights, contactor coils or PLC inputs directly without contact bounce. An on-board LED provides local status indication while the relay remains energised.
Highlights
- Self-powered operation eliminates external supply
- Fixed 1.5 A trip point protects circuits
- Split-core design allows no-wire-installation
- Solid-state output rated .15 A at 240 V
- Built-in LED shows relay status
Specifications
| Brand | EATON |
|---|
Questions about this item
What AC load can the SPST-NO solid-state output switch at 240 V?
The relay contact is rated for 0.15 A at 240 V AC, suitable for low-power control circuits such as contactor coils or indicator lamps.
Will the split-core sensor fit around an existing cable without disconnecting it?
Yes, the split-core design clamps over a live conductor, so installation does not require cutting or terminating the monitored circuit.
How do I confirm the relay has tripped at the 1.5 A threshold?
The built-in LED status indicator illuminates when the sensed current exceeds 1.5 A and the 0.12 s delay has elapsed, showing the output is active.
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