CHINT OUVR-1 Auto-Reset Over & Under Voltage Protection Device 2P/4P

CHINT OUVR-1 is auto-recovery overvoltage & undervoltage protection relay, DIN rail mounted for household & distribution cabinet. It automatically cuts off load circuit once voltage exceeds over/under threshold, delays 30±10s to restore power supply after mains voltage back to normal range, effectively avoid frequent on-off at critical voltage fluctuation. Available in 2P(1P+N,AC230V) & 4P(3P+N,AC400V), two wiring directions: Top-in Bottom-out / Bottom-in Top-out.

4 Types Wiring Variant

1. 1P+N(2P AC220V) Top-in Bottom-out(Neutral Left, Live Right)
   
   
   → 1P+N (2P AC230V) Top Feed, Bottom Exit (N on Left, L on Right)
2. 1P+N(2P AC220V) Bottom-in Top-out(Live Left, Neutral Right)
   
   
   → 1P+N (2P AC230V) Bottom Feed, Top Exit (L on Left, N on Right)
3. 3P+N(4P AC380V) Top-in Bottom-out(Neutral Left, Live Right)
   
   
   →3P+N (4P AC400V) Top Feed, Bottom Exit (N on Left, L on Right)
4. 3P+N(4P AC380V) Bottom-in Top-out(Live Left, Neutral Right)
   
   
   →3P+N (4P AC400V) Bottom Feed, Top Exit (L on Left, N on Right)

Current Rating Options

Key Features

1. Auto delay reset(30±10s) after voltage back to normal, prevent frequent switching at marginal voltage
2. Dual protection: overvoltage + undervoltage cut-off to protect home appliances & electrical equipment
3. Standard DIN rail installation, compact modular grey housing
4. Low power consumption below 2W, long service life over 50k cycles

Application