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249

ST-RELAYS

VDE

IC DRIVABLE PC BOARD

RELAY FOR FIELD LOAD

SWITCHING

mminch

11.3

.445

14

.551

31

1.220

FEATURES

• Sealed to meet the combination pro-

cess of automatic wave soldering

and cleaning needs

• Latching types available

• High switching capacity and high

sensitivity in subminiature size

150 mW pick-up, 8 A inrush capacity:

51 A for 1a1b, 35 A for 2a

• High shock and vibration resistance

Shock: 20 G, Vibration: 10 to 55 Hz at

double amplitude of 2 mm

SPECIFICATIONS

Contacts

Coil (polarized) (at 25

°C77°F)

Remarks

* Specifications will vary with foreign standards certification ratings.

*1Measurement at same location as "Initial breakdown voltage" section

*2Detection current: 10 mA

*3Wave is standard shock voltage of

±1.2 × 50µs according to JEC-212-1981

*4Excluding contact bounce time

*5Half-wave pulse of sine wave: 11ms; detection time: 10

µs

*6Half-wave pulse of sine wave: 6ms

*7Detection time: 10

µs

*8Refer to 5. Conditions for operation, transport and storage mentioned in

AMBIENT ENVIRONMENT (Page 61).

Characteristics (at 25

°C77°F50% Relative humidity)

Arrangement

1 Form A

1 Form B

2 Form A

Contact material

Gold flash over silver alloy

Initial contact resistance, max.

30 m

Ω

Rating

(resistive)

Max. switching power

2,000 VA, 150 W

Max. switching voltage

380 V AC, 30 V DC

Max. switching current

8 A

HP rating

1/4 HP 125, 250 V AC

Inrush current capability

51 A (TV-3 equivalence) for 1a1b

35 A (TV-1 equivalence) for 2a

Expected

life (min.

operations)

Mechanical (at 180 cpm)

107

Electrical

8 A 250 V AC (resistive)

105

5 A 30 V DC (resistive)

2

× 105

3 A 100 V AC (lamp)

3

× 104

—

1 A 100 V AC (lamp)

—3

× 104

Single side stable

Nominal operating power

Approx. 240 mW

Latching

Nominal set and reset power

Approx. 240 mW

Max. operating speed

20 cpm (at rated load)

Initial insulation resistance*1

1,000 M

Ω (at 500 V DC)

Initial

breakdown

voltage*2

Between contact sets

2,000 Vrms

Between open contacts

1,200 Vrms

Between contacts and coil

3,750 Vrms

Surge voltage between coil and

contact*3

Min. 6,000 V

Operate time*4

(at nominal voltage)

Max. 15 ms (Approx. 10 ms)

Release time (without diode)*4

(at nominal voltage)

Max. 10 ms (Approx. 8 ms)

Set time*4(latching)

(at nominal voltage)

Max. 10 ms (Approx. 8 ms)

Reset time*4(latching)

(at nominal voltage)

Max. 10 ms (Approx. 8 ms)

Temperature rise

(at 60

°C)

Max. 55

°C with nominal coil voltage

and at 8 A switching current

Shock

resistance

Functional*5

Min. 196 m/s2{20 G}

Destructive*6

Min. 980 m/s2{100 G}

Vibration

resistance

Functional*7

117.6 m/s2{12 G}, 10 to 55 Hz

at double amplitude of 2 mm

Destructive

176.4 m/s2{18 G}, 10 to 55 Hz

at double amplitude of 3 mm

Conditions for operation,

transport and storage*8

(Not freezing and condens-

ing at low temperature)

Ambient

temp.

–40

°C to +60°C

–40

°Fto +140°F

Humidity

5 to 85% R.H.

Unit weight

Approx. 10g .353 oz

TYPICAL APPLICATIONS

Sequence controllers, facsimiles, telephone controls, remote

control security devices and security equipment.

ORDERING INFORMATION

Ex. ST

Contact arrangement

1: 1 Form A 1 Form B

2: 2 Form A

Nil: Single side stable

L2: 2 coil latching

DC 3, 5, 6, 9, 12,

24, 48 V

Operating function

Coil voltage

1

L2

DC48V

(Note) Standard packing: Carton; 50 pcs., Case; 500 pcs.