Name: Crompton 253 – pvew over voltage protective relay
Type: crompton 253-pvew
Crompton protective relay, 253-PVMW 253-PHDW 253-PAPW 253-PVEW 252-PAVW 253-PADW 252-PVCW 252-PVUW 252-PVDW 255-PVPW 252-PVEW 252-PVKW 252-PVAW 256-PATW 256-PAQW 256-PARW 256-PASW 256-PLDW 1503 1603 244-022A, 243-0
The products are detailed:
The protective device of the alternating current carries on continuous monitoring to the monitoring circuit, when the electric current exceeds marginal value, the actuating of relay, when after the electric apparatus is energization, luminescent diode luminous indication, the link order to the three-phase system is unimportant.
This kind of protective device can be protected
Support and measure
Monitor the electric system
1. In the extra time delay cycle in advance ‘ If presume) Later, specified input current in addition, user’ s adjustable ” crossed volume value ” Has exceeded, the standard overcurrent relay of trip of the power will be with electricity, as the input current will reduce to set point to deduct lagged value, it is uncharged to know self-recovery the electrical relay.
2. When the ones that preserve prolong cycle extraly ‘ If presume) Later, the input current was lower than its rated value to deduct user’ s adjustable ” owed volume value ” , The standard undercurrent electrical relay of trip of the power will be uncharged, as the input current will rise to set point to add lagged value, know the electrification of self-recovery with electrical relay.
3. Any products with energization / dead transforming function can all be made on request, making the low / high power trip up has the electrical relays of two pieces of level set point.
Single-phase excessive load
Single-phase to make the undercurrent up
2 electrical relays, 2 set point
Three-phase 3 or Line 4 undercurrent
Three-phase 3 or Line 4 excessive load Products code
The model is C.S.A and U.L authorized
Rated current: 1A or 5A comes from C.T second order 2, 3, 4, 6, 8Or 10A ( minimum 0.2A)
Frequency: 50/ 60/ 400HZ
Support: Every looks 0.5VA
Overload capacity: It is nominal in 3 seconds 10 continuously to be nominal to RS6253 2
Set point: Repeatability: 0.5% of the full skip distance
Difference: Prefabricate 1% Other values are from 1 to 10% Appointed
40 to 120% of the rated current
Shi Yan: Up to adjustable 10 seconds Maximum is 30 seconds
Accessory power supply: Exchange: 50/ 60HZ: 120 230 240 400Or 415 volts + / – 20% ( 57 to 480 volts)
Direct current: 12 24 48 110Or 120 volts + / – 15% of the maximum ripples 15%
Load: Maximum 4VA
- 252 PVVW , 252PVXW , 252PHOW
- 252 PVBW , 252PVJW , 252PVRW
- 252 PVKW , 252PVZW , 252PSFW
- 252 PVUW , 252PVSW , 252PSGW
- 252 PVOW , 252PVCW , 252PMMW
- 252 PVPW , 252PVHW , 252PMTW
- 252 PVAW , 252PHUW
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* other type will be available on special request
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