Technical Information
| Item condition |
New |
| Manufacture name |
Phase control relays CZF-334 True RMS |
| Brand |
F&F
|
| Categories |
Monitoring Relays
|
| Country of origin |
PL |
| Harmonized System Code |
8536 4900 00
|
| Voltage measuring range |
320-480 V |
| Phase sequence monitoring |
No |
| Phase imbalance monitoring |
Yes |
| Type of electric connection |
Screw connection |
| Number of contacts as normally closed contact |
0 |
Packing details
| Packing level 1 |
5902431672540 |
Other Technical data
| Width |
18 mm |
| Height |
98 mm |
| Depth |
69 mm |
| With detachable clamps |
No |
| Phase failure detection |
Yes |
| Function under voltage detection |
No |
| Function over voltage detection |
No |
| Max. permitted delay-on energization time |
60 s |
| Min. adjustable delay-on energization time |
1 s |
| Max. permitted off-delay time |
10 s |
| Min. adjustable off-delay time |
1 s |
| Number of contacts as normally open contact |
0 |
| Number of contacts as change-over contact |
2 |
Downloads
Description
With separated contact.
Three phase monitor serves to protect the three-phase electric motors supplied from three-phase mains, against phase collapse in at least one phase or against phase-to-phase voltage asymmetry or against damage of contacts threatening to damage the motor.