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
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): IT
Product Details

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
2 In stock for delivery within 3 working days
Price Each
HK$ 3,423.29
(exc. GST)
Per unit
1 +