Lovato Frequency Monitoring Relay With SPDT Contacts, 1, 3 Phase, 220 → 240 V ac
- RS Stock No. 916-0218
- Mfr. Part No. PMF20A240
- Manufacturer Lovato
Frequency Monitor Relay Self Powered Single and Three Phase
The Lovato range of frequency monitoring relays is self-powered for minimum and maximum control. The frequency relays have a rated frequency selection of 50 or 60Hz with a tripping threshold for minimum and maximum frequency. Excellent tripping accuracy and one configurable output and one SPDT changeover contact. Automatic re-set, single and three phase systems as standard.
Modular DIN 43880 housing 2 module
Excellent tripping accuracy
IEC protection: IP40 on front and only when placed in an IP40 enclosure or control board
IP20 at terminals
Single and three phase system
Delayed trip
Automatic reset
Tripping threshold
Lovato Orange Contactors, Control Relays and Accessories
| Attribute | Value |
|---|---|
| Monitoring Application | Frequency |
| Supply Voltage | 220 → 240 V ac |
| Contact Configuration | SPDT |
| Electrical Phase | 1, 3 |
| Time Delay | 0.1 → 20 s |
| Frequency Sensing Range | 40 → 70 Hz |
| Mounting Type | DIN Rail |
| Length | 35.8mm |
| Series | PMF20 |
| Height | 104.7mm |
| Maximum Operating Temperature | +60°C |
| Dimensions | 35.8 x 64.9 x 104.7 mm |
| Minimum Operating Temperature | -20°C |
| Maximum Frequency Sensed | 70Hz |
| Operating Temperature Range | -20 → +60 °C |
| Standards Met | CSA C22.2 No. 14, CULus, File E93601, IEC/EN 60255-5, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508, UL Listed |
| Number of Poles | 1 |
| Terminal Type | Screw |
| Minimum Frequency Sensed | 40Hz |
| Width | 64.9mm |
