53/57W Series

SPECIFICATIONS

The 53/57W Series is a 2 Form A and 3 Form A version

of the mercury EMF relay, which has acquired a favorable

reputation. This mercury relay achieves the EMF rate

less than 10

mounting area.

PRODUCT DESCRIPTIONS

53/57W Series

53W-3A□1N1

57W-2A□1N0

Low-Thermal Mercury

Parameters

Units

3 Form A

2 Form A

Test Conditions

Coil Specifications

Nominal Coil Voltage

Coil Resistance

Operate Voltage

Release Voltage

VDC

Ω

VDC Max

VDC Min

5.0

100

4.0

0.7

12.0

600

9.6

1.2

24.0

2000

19.2

2.4

5.0

60

4.0

0.7

12.0

300

9.6

1.2

24.0

1200

19.2

2.4

±10% @ 20˚C

15˚C to 35˚C

15˚C to 35˚C

Contact Ratings

Switching Voltage

Switching Current

Carry Current

Contact Rating

Life Expectancy

Contact Resistance

Contact Resistance Stability

Volts

Amps

Amps

Watts

mΩ

mΩ

500

1.0

5.2

50

1000

120

2.0

500

1.0

5.2

50

1000

50

2.0

Max DC/Peak AC resistance

Max DC/Peak AC resistance

Max DC/Peak AC resistance

Max DC/Peak AC resistance

@ 1V 10mA

Max initial @ operate voltage

Max initial @ operate voltage

Relay Specifications

Insulation Resistance

Dielectric Strength

Operate Time

(No Bounce)

Release Time

Ω Min

VDC Min

VDC Min

VDC Min

msec Max

msec Max

500

500

500

2.5

2.5

500

500

500

2.5

2.0

Between all isolated pins

@ 500V 20˚C 40%RH

Between contacts

Contacts to shield

Contacts/Shield to coil

@ nominal coil voltage

50Hz square wave

Diode suppression

Thermal EMF

µV-Max

@ nominal coil voltage

Environmental Ratings

Measurement Reference Conditions

Temp: 15˚C to 35˚C

Humidity: 25% to 75%RH

Atmospheric Pressure: 860 to 1060hpa

Storage temp: -20˚C to +80˚C

Operate temp: -10˚C to +60˚C

Vibration: 20G’s to 2000Hz

Shock: 50G’s

Ordering Code:

53W-3A□1N1

□

=1 (5.0VDC), 2 (12.0VDC), 3 (24.0VDC)

57W-2A□1N0

Test after rated voltage applied for 30 minutes

□

=1 (5.0VDC), 2 (12.0VDC), 3 (24.0VDC)

µV, and allows effective utilization of smaller

PCB Mount /EMF