Protector Relays - Meter Relays
Alarm protection and control function via contact relays

Protector Relays
FEATURES Accuracys from .1% to .5%
Din rail, panel or rack mount units
All protector relays conform to one or more of the following: UL, CSA, CE
ANSI or specific IEEE specifications
AC current inputs:
1 to 10 AC amperes direct, 1P or 3P, higher than 10A: use external transformer
AC voltage inputs:
100 to 480 AC volts direct, 1P or 3P, 1-34,500 AC volts with external transformer
DC current inputs:
1 milliamp to 10 DC amperes direct, 1-25000 DC amperes with ext. shunt
DC voltage inputs:
18 to 32 VDC, 5A resistive
WATT, VAR, kW, power factor, phase angle, VA:5A/120VAC, 5A/240VAC, 5A/480VAC, 1P or 3P
Frequency ranges: from 50 to 400HZ
Thermocouple ranges: B,C,J,K,N,R,S,T,S (specify temp range in degrees F or C)
RTD ranges: 10 OHM copper, 100 OHM platinum, multiple inputs
Thermistor trip ranges: automatic or manual reset
Speed sensing ranges: from 5 to 75VDC (specify # of teeth)
Paralleling ranges: live or dead bus. 1P or 3P, 120V/60HZ
PROTECTOR RELAY TYPES AC voltage (over, under and over/under voltage combined) 1P or 3P
AC current (over, under and over/under current combined) 1P or 3P
DC voltage including DC millivolt trip relays
DC current
Frequency relays
Hot spot relays (multiple input temperature or RTD relays)
Paralleling relays
Phase Balance
Phase Angle
Phase Failure/Phase sequence
Power Factor
Reverse power (current) relays (1P or 3P/4W) and (3P/3W)
Speed sensing relays
Synchro-check relays
Temperature or RTD relays (single input)
Thermistor relays
Transducer trip relays
Vector shift and rate of change of frequency (R.O.C.O.F) relays
Watt relays
Var relays
ORDERING INFORMATION Select panel mount or din rail
Select type of relay
Select input
NOTE: If input is current or voltage, please specify AC or DC input
Select auxiliary power desired or self powered
OPTIONS Customized calibration and special auxiliary power available upon request.
Please call for special applications or options not listed above

 

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Meter Relays

FEATURES

Single or double setpoint (4 alarms available for digital meter relays)

2.5" sizes, to 4..5 sizes,1/8th din for digital

All meter relays conform to one or more of the following: UL, CSA, or CE

AC current inputs: 1 to 10 AC amperes direct, above 10A, transformer rated

AC voltage inputs: 1 to 600 AC volts direct, above 600V, 1-34,500 AC volts with external transformer

DC current inputs: 1 milliamp to 10 DC amperes direct, 1-25000 DC amperes with ext. shunt

DC voltage inputs: 1 millivolt to 600 DC volts direct

Pressure ranges: from 0-30000 PSI, 0-150,000 PSIG

Thermocouple ranges: B,C,J,K,N,R,S,T,S (specify temp range in degrees F or C)

RTD ranges: 10 OHM copper, 100 OHM platinum

METER RELAY TYPES

Digital meter relays

Analog meter relays: single or double setpoints, 2.5" through 6.5" size, round, square, edgewise or switchboard

AC voltage and current, True RMS

DC voltage and current

Process inputs

Pyrometer inputs

RTD inputs

Strain gauge inputs
Pressure inputs
Pulse inputs
Resistance inputs
Single Phase 2 mre watts
Dual inputs

Thermocouple inputs

ORDERING INFORMATION

Specify digital or analog meter relay

Specify signal input to the meter relay

Specify scale

Specify number of alarms required (analog: 2 alarms max, digital: 4 alarms max)

Specify auxiliary power and frequency (ex: 120V/60HZ, 240V/50HZ, etc.)

For analog meter relays, specify size of unit (ex. 2.5" face through 6.5" face)

OPTIONS

Customized scaling and calibration

Glass windows

Illumination

Thumbscrew or knob adjustments

Special auxiliary power available upon request

NOTE

We typically stock Crompton and Texmate meter relays. All others, please allow from stock to 5 weeks, depending on individual application

Please call for special applications or options not listed above

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