CROUZET CONTROL
Control relay for monitoring 3-phase networks without neutral. Adjustable switch at the front for adjustment of correct voltage in 3-phase networks. The switch's position is not registered until the operating voltage is switched on. If the switch position is changed during operation, all LEDs (LED indications) begin to flash but the unit will continue to function normally with the voltage that was set at the most recent power connection. Monitors under-voltage between the phases that can be set between -2 % and -20 % of Un (measurement voltage) and over-voltage that can be set between 2 % and 20 % of Un. Time delay Tt prevents relay change-over in the event of temporary disturbances and is adjustable between 0.3-30 s. Green LED (Un) indicates supply voltage OK. Yellow LED (R) indicates active relay output.
Over-/under-voltage |
1: Over-voltage |
2: Hysteresis |
3: Under-voltage |
4: L1, L2, L3 |
5: Relay |
6: Limit value with time delay for over-/under-voltage |
Approvals | CE, CSA, RoHS, UL |
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Breaking capacity | 5A, 250V AC/DC |
Function | Under/Overvoltage |
IP class connection | IP20 |
IP class housing | IP30 |
Lower limit | -2 - -20% |
Mounting | 35 mm DIN-Rail |
Output | 2x Relay |
Selection of rated voltage | 208, 220, 380, 400, 415, 440, 480V |
Storage temperature max | 70 °C |
Storage temperature min | -40 °C |
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Supply voltage | 3 x 208-480V AC |
Temperature operational max | 50 °C |
Temperature operational min | -20 °C |
Time delay startup | 0,5 s |
Time delay when exceeding the limit value | 0,3-30s |
Upper limit | 2 - 20% |
Weight | 80 g |
Control relay for monitoring 3-phase networks without neutral. Adjustable switch at the front for adjustment of correct voltage in 3-phase networks. The switch's position is not registered until the operating voltage is switched on. If the switch position is changed during operation, all LEDs (LED indications) begin to flash but the unit will continue to function normally with the voltage that was set at the most recent power connection. Monitors under-voltage between the phases that can be set between -2 % and -20 % of Un (measurement voltage) and over-voltage that can be set between 2 % and 20 % of Un. Time delay Tt prevents relay change-over in the event of temporary disturbances and is adjustable between 0.3-30 s. Green LED (Un) indicates supply voltage OK. Yellow LED (R) indicates active relay output.
Over-/under-voltage |
1: Over-voltage |
2: Hysteresis |
3: Under-voltage |
4: L1, L2, L3 |
5: Relay |
6: Limit value with time delay for over-/under-voltage |
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Parts | Price | ||
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Voltage Monitor Relay M3US 3 x 208-480V ac
Art:
84873222
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