Littelfuse – SE‑704‑0D – Earth‑Leakage Monitor, 12–24 V DC Supply

Main Features

• Manufacturer: Littelfuse (Startco)

• Model/MPN: SE‑704‑0D

• Device Type: Earth‑leakage (ground-fault) monitor for AC systems  

• Supply Voltage: 12–24 V DC

• Trip Range: Adjustable earth-fault detection from 10 mA up to 5 A  

• Trip Time: Configurable 0.03 s to 2 s delay  

• Relay Outputs: One Form A (NO) and one Form B (NC); supports manual or auto reset  

• Analog Output: 0–1 mA or 0–5 V for remote fault signaling  

• Configuration Controls: Front-panel rotary switches for setting current level and time; test and reset buttons included

• Features: CT loop input support, harmonic filtering, conformal coating option  

• Mounting & Dimensions: DIN-rail mount, compact 3 × 2.2 × 4.3 in (HxWxD)  

• System Compatibility: Suitable for solidly or resistance-grounded AC systems at 50/60 Hz