3SRV1 series

• Control for connection of moving equipmensite (site equipment, agricultural equipment, refrigerated trucks).

• Control for protection of persons and equipment against the consequences of reverse running.

• Protection against the risk of a driving load (phase loss).

• Mormal/emergency power supply switching.

• Widely used in industry control system, power compensation system, air conditioning system, motor control system.

Features

• Controls its own supply voltage (true RMS measurement).

• Loss of neutral.

• LED display for control status.

• Applicable to used for monitoring circuits of single phase, two phase, three phase three wires and three phase four wires.

• Voltage measurement accuracy ≤ 1%.

• Measuring frequency: 50/60 Hz.

• PTC temperature monitoring or load side monitoring is optional.

• DIN rail mounting.

Technical specifications

• Rated supply voltage: AC 220 V, 230 V, 240 V (P-N)

                                          AC 380 V, 400 V, 415 V (P-P)

• Control circuit frequency: 50/60 Hz

• Voltage hysteresis: 3.5 V (P-N)

                                 6 V (P-P)

• Measurement error: ≤1% over the full range with voltage variation

• Knob setting accuracy: 1% of scale value

• Rated insulated voltage: 415 V

• Phase loss sensitivity: 0.5 Un

• Conventional thermal current: 5 A

• Electrical life: 100,000 cycles

• Mechanical life: 1,000,000 cycles

• Degree of protection: IP 20

• Degree of pollution: 3

• Altitude Max (meter): 2000

• Operation temperature: -5 … +40 °C

• Relative humidity: ≤ 50% (40 °C)

• Storage temperature: -25 … +75 °C

• Utilization category: AC-15

• Contact capacity: Ue/Ie: 250 V/1.5 A

• 2 Connection capacity (mm ): 0.5 … 1

• Tightening torque (N·m): 0.5