Klemsan
270137 G1-SAT
Voltage monitoring relay

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General Casing Width (mm) 17,5
  Connections Screw terminal
  Network 3Ø with neutral
Monitoring Functions Phase Failure Fixed Delay Time 500msec
  Phase Sequence Fixed Delay Time 500msec
  Adjustable/Fixed Unbalanced Protection Range/Limit ± (5% => 20%)/ OFF
    Hysteresis 3% x Un ≈ 6,9VAC
    Delay Time ton: 1=>15min, toff: 0.1=>10sec
  Adjustable Voltage Protection Upper Limit 6 VAC
    Lower Limit ton: 1=>15min, toff: 0.1=>10sec
    Hysteresis ---
    Delay Time ---
  Adjustable Current Protection Upper Limit ---
    Lower Limit ---
    Hysteresis ---
    Delay Time ---
  Adjustable Frequency Protection Upper Limit ---
    Lower Limit ---
    Hysteresis ---
    Delay Time ---
  Adjustable/Extremely High-Low Voltage Protection Upper Limit ---
    Lower Limit ---
    Hysteresis ---
    Delay Time ---
  PTC Protection Fixed Delay Time ---
    Threshold ---
General Response Time for Monitoring Any Function Max. 250ms
  Type of Output Relay
Auxilary Contacts Type 1 C/O (SPDT)
  Max. Ratings - AC (for NO Side) 10A/250V; 1250 VA
  Max. Ratings - DC (for NO Side) 5A/30VDC; 150W
  Mechanical Lifetime ≥ 107 operations
  Electrical Lifetime Operations (for NO Side) "5×10^4(5A@250VAC) 1×10^5(5A@30VDC)"
Supply Voltage DC ---
  AC 230VAC ±25% from L3-N
General Supply Frequency 50-60Hz
  Control Input Voltage Range ---
Ambient Conditions Operating Temperature -20 to +60 °C
  Storing Temperature -40 to +75 °C
  Relative Humidity (No Condensation) Max.95% (no condensation)
General Operating Frequency 50-60Hz
  Protection Class IP20
Power Consumption DC ---
  AC <3VA
General Mounting Type
  EMC-EMI OK
  Packing Unit 1
  Weight (g) 66
  Packing Unit 1
  Dimensions ---

Klemsan protection relays protect system devices against unbalanced voltage and prevent errors caused by motor winding temperatures. 

CE Certificate
General Product Information [pdf]
270137 Voltage monitoring relay