4 AMP POLARIZED HIGH
DENSITY RELAYWITH HIGH
SENSITIVITY
S-RELAYS
FEATURES
• A variety of contact arrangements 2
Form A 2 Form B, 3 Form A 1 Form B,
4 Form A
12.0
.472
• Wide switching range From 100µA
100 mV DC to 4 A 250 V AC
28.0
1.102
10.4
.409
• Low thermal electromotive force Ap-
• Latching types available
prox. 3 µV
• High sensitivity in small size 100 mW
pick-up and 200 mW nominal operating
power
• Dual-In-Line packaging arrangement
• Amber types available
• High shock and vibration resistance
Shock: 50 G Vibration: 10 to 55 Hz at
double amplitude of 3 mm .118 inch
mm inch
SPECIFICATIONS
Contacts
Characteristics (at 25°C 77°F 50% Relative humidity)
2 Form A 2 Form B,
3 Form A 1 Form B,
4 Form A
20 cpm for maximum load,
50 cps for low-level load
(1 mA 1 V DC)
Arrangement
Max. operating speed
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Initial insulation resistance*1
10,000 MΩ at 500 V DC
750 Vrms
50 mΩ
Between open contacts
Initial
breakdown
Initial contact pressure
Contact material
Approx. 12 g .42 oz
Gold clad silver alloy
Approx. 3pF
Between contact sets
1,000 Vrms
voltage*2
Between contacts and
coil
1,500 Vrms
Electrostatic capacitance
Thermal electromotive force
(at nominal coil voltage)
Operate time*3
(at nominal voltage)(at 20°C)
Release time (without diode)*3
(at nominal voltage)(at 20°C)
Set time*3 (latching)
(at nominal voltage)(at 20°C)
Reset time*3 (latching)
(at nominal voltage)(at 20°C)
Approx. 3µV
Max. 15 ms (Approx. 8 ms)
Max. 10 ms (Approx. 5 ms)
Max. 15 ms (Approx. 8 ms)
Nominal switching capacity 4 A 250 V AC, 3 A 30 V DC
Maximum switching power
1,000 VA, 90 W
Rating
(resistive)
250 V AC, 30 V DC
(48 VDC at less than 0.5 A)
Maximum switching voltage
Max. switching current
Min. switching capacity**1
Mechanical (at 50 cps)
4 A (AC), 3 A (DC)
Max. 15 ms (Approx. 8 ms)
1 ms
100µA 100 m V DC
Initial contact bounce, max.
108
105
2 × 105
Expected
life (min.
operations)
Max. 35°C with nominal coil
voltage and at maximum
switching current
Temperature rise
(at nominal voltage)(at 20°C)
4 A 250 V AC
Electrical
(at 20 cpm)
3 A 30 V DC
Functional*4
Destructive*5
Min. 490 m/s2 {50 G}
Min. 980 m/s2 {100 G}
176.4 m/s2 {18 G}, 10 to 55 Hz
at double amplitude of 3 mm
235.2 m/s2 {24 G}, 10 to 55 Hz
at double amplitude of 4 mm
Coil (polarized) (at 20°C 68°F)
Shock resistance
Minimum operating power
Nominal operating power
Minimum set and reset
Nominal set and reset
Approx. 100 mW
Approx. 200 mW
Approx. 100 mW
Approx. 200 mW
Single side
stable
Functional*6
Vibration resistance
Latching
Destructive
Notes:
Conditions for operation,
transport and storage*7
(Not freezing and condens-
ing at low temperature)
Ambient
temp.
–40°C to +65°C
–40°F to +149°F
**1 This value can change due to the switching frequency, environmental conditions,
and desired reliability level, therefore it is recommended to check this with the ac-
tual load.
Humidity
5 to 85% R.H.
Remarks
Unit weight
Approx. 8 g .28 oz
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as "Initial breakdown voltage "section
*2 Detection current: 10mA
*3 Excluding contact bounce time
*4 Half-wave pulse of sine wave: 11ms; detection time: 10µs
*5 Half-wave pulse of sine wave: 6ms
*6 Detection time: 10µs
*7 Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
TYPICAL APPLICATIONS
Telecommunications equipment, data processing equipment,
facsimiles, alarm equipment, measuring equipment.
219
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