219

S-RELAYS

4 AMP POLARIZED HIGH

DENSITY RELAY WITH HIGH

SENSITIVITY

28.0

1.102

12.0

.472

10.4

.409

FEATURES

• A variety of contact arrangements 2

Form A 2 Form B, 3 Form A 1 Form B,

4 Form A

• Latching types available

• High sensitivity in small size 100 mW

pick-up and 200 mW nominal operating

power

• High shock and vibration resistance

Shock: 50 G Vibration: 10 to 55 Hz at

• Wide switching range From 100

µA

100 mV DC to 4 A 250 V AC

• Low thermal electromotive force Ap-

prox. 3

µV

• Dual-In-Line packaging arrangement

• Amber types available

SPECIFICATIONS

Contacts

Coil (polarized) (at 20

Characteristics (at 25

Arrangement

2 Form A 2 Form B,

3 Form A 1 Form B,

4 Form A

Initial contact resistance, max.

(By voltage drop 6 V DC 1 A)

50 m

Ω

Initial contact pressure

Contact material

Gold clad silver alloy

Electrostatic capacitance

Approx. 3pF

Thermal electromotive force

(at nominal coil voltage)

Approx. 3

µV

Rating

(resistive)

Nominal switching capacity

4 A 250 V AC, 3 A 30 V DC

Maximum switching power

1,000 VA, 90 W

Maximum switching voltage

250 V AC, 30 V DC

(48 VDC at less than 0.5 A)

Max. switching current

4 A (AC), 3 A (DC)

100

µA 100 m V DC

Expected

life (min.

operations)

Mechanical (at 50 cps)

Electrical

(at 20 cpm)

4 A 250 V AC

3 A 30 V DC

2

Single side

stable

Minimum operating power

Approx. 100 mW

Nominal operating power

Approx. 200 mW

Latching

Minimum set and reset

Approx. 100 mW

Nominal set and reset

Approx. 200 mW

Max. operating speed

20 cpm for maximum load,

50 cps for low-level load

(1 mA 1 V DC)

10,000 M

Ω at 500 V DC

Initial

breakdown

Between open contacts

750 Vrms

Between contact sets

1,000 Vrms

Between contacts and

coil

1,500 Vrms

(at nominal voltage)(at 20

°C)

Max. 15 ms (Approx. 8 ms)

(at nominal voltage)(at 20

°C)

Max. 10 ms (Approx. 5 ms)

(at nominal voltage)(at 20

°C)

Max. 15 ms (Approx. 8 ms)

(at nominal voltage)(at 20

°C)

Max. 15 ms (Approx. 8 ms)

Initial contact bounce, max.

1 ms

Temperature rise

(at nominal voltage)(at 20

°C)

Max. 35

°C with nominal coil

voltage and at maximum

switching current

Shock resistance

Vibration resistance

at double amplitude of 3 mm

Destructive

at double amplitude of 4 mm

Conditions for operation,

(Not freezing and condens-

ing at low temperature)

Ambient

temp.

–40

°C to +65°C

–40

°F to +149°F

Humidity

5 to 85% R.H.

Unit weight

Notes:

and desired reliability level, therefore it is recommended to check this with the ac-

tual load.

Remarks

* Specifications will vary with foreign standards certification ratings.

µs

µs

AMBIENT ENVIRONMENT (Page 61).

TYPICAL APPLICATIONS

Telecommunications equipment, data processing equipment,

facsimiles, alarm equipment, measuring equipment.