Product designation				Frequency monitoring relays
Product type designation				PMF20
General characteristics
Description				Minimum and maximum frequency control
Type of system				Single-phase
Power supply
Auxiliary supply voltage Us				Self powered
Operating voltage range				0.85…1.1 Ue
Rated frequency			Hz	50 or 60 Hz selectable
Power consumption Max			VA	17
Power dissipation Max			W	1.5
Control circut
Rated voltage to control (Ue)
		min	VAC	380
		Max	VAC	415
Frequency set-point (% rated frequency)
		min	%	90…99
		Max	%	101…110
Tripping delay			s	0.1…20
Resetting time			s	0.1…20
Resetting hysteresis			%	0.5
Type of reset				Automatic
Repeat accuracy			%	<±0.1
Voltage inputs
Frequency range			Hz	40…70
Relay outputs
Number of relays			Nr.	1
Relay state				Normally energised De-energises at tripping
Contact arrangement				1 changeover SPDT
Rated operational voltage AC (IEC)			VAC	250
Maximum switching voltage			VAC	400
IEC Conventional free air thermal current Ith			A	8
UL/CSA and IEC/EN 60947-5-1 designation				B300
Electrical life (with rated load)			cycles	100000
Mechanical life			cycles	30000000
Functions
Modular version				2U
Minimum AC voltage				Yes
Maximum AC voltage				Yes
Minimum frequency				No
Maximum frequency				No
Indications
Indication				1 green LED for power on and tripping and 2 red LEDs for min/max tripping
Connections
Terminals type				Screw
Tightening torque for terminals
		max	Nm	0.8
		max	Ibin	7
Conductor cross section
	AWG/Kcmil
		min	AWG	24
		Max	AWG	12
	IEC
		min	mm²	0.2
		Max	mm²	4
Insulations
Rated insulation voltage Ui			V	575
Rated impulse withstand voltage Uimp			kV	6
Operating frequency withstand voltage			kV	4
Ambient conditions
Temperature
	Operating temperature
		min	°C	-20
		max	°C	+60
	Storage temperature
		min	°C	-30
		max	°C	+80
Housing
Execution (n° of modules)				2
Material				Self-extinguishing polyamide
Mounting				35mm DIN rail (IEC/EN 60715)
IEC degree of protection				IP40 on front; IP20 at terminals
Dimensions (W x H x D)			mm	35.8 x 104.7 x 64.9
Weight			g	125
ETIM classification
ETIM 8.0				EC001442 - Frequency monitoring relay

Documents

19 - Monitoring relays (eng)

Protection relays PM series (eng)
PD050GB09_09

Frequency monitoring relay PMF20 (eng)
I163IGBE07_15

FAQ for monitoring relays (eng)
F065IGB11_21

Certifications

cULus
EAC

Conformity

IEC/EN 60255-5
IEC/EN 61000-6-2
IEC/EN 61000-6-3
UL 508
CSA C22.2 n° 14

Products > Monitoring relays

PMF20A415

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Frequency monitoring relay for single and three-phase systems, minimum and maximum frequency, 380...415VAC 50/60Hz

Type of product: Frequency monitoring relays
Type of system: Single-phase
Number of relay outputs: 1
Control voltage [V]: 380…415VAC
Rated supply voltage: Self powered
Programming mode: Potentiometers

Order code	PMF20A415
Weight [g]	126
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	095X040X075
Volume [cm³]	285
Bar code [EAN13]	8013975142288
HS Code	85364900

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PMV95NA575NFC

Multifunction voltage and frequency monitoring relay for three-phase systems with or without neutral with NFC technology and App. 380...575VAC 50/60Hz

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Data Sheet - PMF20A415

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PMF20A415

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