WM35A-120A STRUTHERS-DUNN, WM35A-120A Datasheet

WM35A-120A

Manufacturer Part Number

WM35A-120A

Description

Relay; Mercury; Power; 1 NO; Cur-Rtg 35A; Ctrl-V 120AC; Vol-Rtg 120, 240/28AC/DC

Manufacturer

STRUTHERS-DUNN

Datasheet

1.WM60AAA-120A.pdf (3 pages)

Specifications of WM35A-120A

Application

Used on all types of loads resistive, tungsten and motor for both AC and DC power

Brand/series

M35 Series

Contact Form

SPST-NO

Current, Rating

35 A

Dielectric Strength

2650 V (RMS) @ Coil to Contacts, Across Open Contacts, Pole to Pole, Contacts to Frame

Dimensions

2 in. L x 2.312 in. W x 5.06 in. H

Function

Power

Material, Contact

Mercury

Relay Type

Mercury

Resistance, Coil

700 Ohms

Standards

UL, CSA

Temperature, Operating

-40 to +60 °C

Tolerance

± 10% Resistance

Voltage, Control

120 VAC

Voltage, Rating

240 VAC

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GENERAL SPECIFICATIONS (@ 25° C)

Contacts:

Contact Configuration

Contact Material

Contact Rating

Contact Resistance, Initial

Coil:

Coils Available

Nominal Coil Power

Input Voltage Tolerance - AC

Input Voltage Tolerance - DC

Drop-out voltge

Duty

Timing:

Operate Time (max)

Release Time (max)

Dielectric Strength:

Across Open Contacts

Between Mutally Insulated Points

Insulation Resistance

Temperature:

Operating

Storage

Life Expectancy:

Electrical (full load operations)

Mechanical (no load operations)

Miscellaneous:

Mounting Position

Enclosure

Weight

Motor 120VAC 1 Phase

Motor 240VAC 1 Phase

120 / 240VAC Resistive

28VDC Resistive

E52197

*Material safety data sheet available on request

*Dispose of properly

The 35 & 60 series products are mercury displacement relays. Sealed tubes containing liquid

mercury assure contact surfaces are freshly replenished with every contact movement. Contact

resistance is among the lowest available for any electromechanical relay. The M35 series offers

superior long life performance. Products are available with 1, 2, or 3 poles rated 35 amps. Contacts

can be normally open or normally closed.

Optional DIN rail adaptors – 1 pole = 16-MDRDIN-1, 2 or 3 pole = 16-MDRDIN-2/3

1000 megohms @ 500VAC

50 milliohms max @ 6VDC

-40 to 105°C (-40 to 221°F)

-34 to 74°C (-30 to 165°F)

Vertical within 10 degrees

85% to 110% of nominal

80% to 110% of nominal

35 & 60 Series - Mercury Displacement Relay

7 to 28VA

Hermetically Sealed

Up to 3PST, 35 or 60 Amp

10% of nominal

Liquid Mercury

2650 VRMS

Up to 3PST

AC and DC

Continuous

5,000,000

250,000

35 Amp

Varies

50ms

80ms

5Hp

3 to 9W

1000 megohms @ 500VAC

-40 to 105°C (-40 to 221°F)

50 milliohms max @ 6VDC

-34 to 74°C (-30 to 165°F)

Vertical within 10 degrees

85% to 110% of nominal

80% to 110% of nominal

Hermetically Sealed

7 to 28VA

10% of nominal

Liquid Mercury

2650 VRMS

Up to 3PST

AC and DC

Continuous

5,000,000

250,000

60 Amp

Varies

50ms

80ms

10Hp

5Hp

3 to 9W

Related parts for WM35A-120A

WM35A-120A Summary of contents

Page 1

Series - Mercury Displacement Relay Up to 3PST Amp The 35 & 60 series products are mercury displacement relays. Sealed tubes containing liquid mercury assure contact surfaces are freshly replenished with every contact movement. ...

Page 2

Series - Mercury Displacement Relay Up to 3PST Amp Ordering Code M35 A 120VAC Series M35 Series = 35 Amp M60 Series = 60 Amp Contact Arrangement A (1 N.O. tube N.O. ...

Page 3

Power Relays 30 - 300 Amp 1 Pole 1.94 (49.3) 2.38 (60.5) 2.05 (128.3) 1.18 (30.1) 2.30 (58.4) 1.94 (49.3) 3 Pole 3.75 (95.3) 3.13 (79.6) 4.98 (126.4) Ø .20 1.93 (5.2) 6 holes (49.1) *Normally closed tubes (B style) ...

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