ABB – 1SVR560730R3401 (CM-UFD.M31) – Grid-Feeding Monitoring Relay, 3× SPDT

Device Type & Function: Multifunctional grid feed monitoring relay for renewable‑to‑grid installations—monitors voltage, frequency, rate‑of‑change‑of‑frequency (ROCOF), vector shift, interrupted neutral, and ‑minute average values  

Supply Voltage: – V AC/DC control supply (Us)  

Measurement Ranges:

• Line‑to‑line (L‑L): – VAC

• Line‑to‑neutral (L‑N): – VAC  

Outputs: Three change‑over (SPDT) relay contacts for control of contactors or breakers (rated up to  A AC‑ /  A DC‑ @  V)  

User Interface: Backlit LCD display with ESC/Test, arrow, and OK buttons; password protection for parameter integrity  

Construction & Mounting:

• DIN‑rail mount ( ×  ×  mm), IP housing, screw‑terminal connection  

• Robust for industrial panels; ABB CM‑series fit  

Certifications & Standards: Compliant with VDE‑AR‑N //, IEC/EN ‑, contributes to grid stability protocols