S
4 A CAPACITY,
THE VARIETY OF CONTACT
ARRANGEMENTS
S RELAYS
FEATURES
12.0
.472
• The variety of contact arrangements
2 Form A 2 Form B, 3 Form A 1 Form
B, 4 Form A
• Wide switching range From 100µA
28.0
1.102
100 mV DC to 4 A 250 V AC
10.4
.409
• Low thermal electromotive force
• Latching types available
Approx. 3 µV
• High sensitivity in small size 100 mW
pick-up and 200 mW nominal
operating power
• Dual-In-Line packaging arrangement
• High shock and vibration resistance
Shock: 50 G Vibration: 10 to 55 Hz at
mm inch
double amplitude of 3 mm .118 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,
Arrangement
Max. operating speed
50 cps for low-level load
(1 mA 1 V DC)
10,000 MΩ at 500 V DC
750 Vrms
1
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Initial contact pressure
Contact material
Initial insulation resistance*
50 mΩ
Between open contacts
Between contact sets
Initial
Approx. 12 g .42 oz
Gold clad silver alloy
Approx. 3pF
1,000 Vrms
breakdown
2
Between contacts and
voltage*
1,500 Vrms
Electrostatic capacitance
coil
3
Thermal electromotive force
Operate time*
Approx. 3µV
Max. 15 ms (Approx. 8 ms)
Max. 10 ms (Approx. 5 ms)
Max. 15 ms (Approx. 8 ms)
(at nominal coil voltage)
(at nominal voltage)(at 20°C)
3
Nominal switching capacity 4 A 250 V AC, 3 A 30 V DC
Release time (without diode)*
(at nominal voltage)(at 20°C)
Maximum switching power
Maximum switching voltage
Max. switching current
Min. switching capacity**
Mechanical (at 50 cps)
1,000 VA, 90 W
3
Set time* (latching)
Rating
250 V AC, 30 V DC
(at nominal voltage)(at 20°C)
(resistive)
(48 VDC at less than 0.5 A)
3
Reset time* (latching)
4 A (AC), 3 A (DC)
Max. 15 ms (Approx. 8 ms)
1 ms
(at nominal voltage)(at 20°C)
1
100µA 100 m V DC
Initial contact bounce, max.
8
10
10
Expected
life (min.
Max. 35°C with nominal coil
voltage and at maximum
switching current
5
Temperature rise
4 A 250 V AC
3 A 30 V DC
Electrical
(at nominal voltage)(at 20°C)
operations)
5
(at 20 cpm)
2 × 10
4
2
Functional*
Destructive*
Min. 490 m/s {50 G}
Coil (polarized) (at 20°C 68°F)
Shock resistance
5
2
Min. 980 m/s {100 G}
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
2
176.4 m/s {18 G}, 10 to 55 Hz
6
stable
Functional*
at double amplitude of 3 mm
Vibration resistance
2
235.2 m/s {24 G}, 10 to 55 Hz
Latching
Destructive
at double amplitude of 4 mm
Notes:
Conditions for operation,
Ambient
temp.
–40°C to +65°C
1
7
** This value can change due to the switching frequency, environmental
conditions, and desired reliability level, therefore it is recommended to check this
with the actual load.
transport and storage*
–40°F to +149°F
(Not freezing and condens-
ing at low temperature)
Unit weight
Humidity
5 to 85% R.H.
Remarks
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 6. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (see catalog).
TYPICAL APPLICATIONS
Telecommunications equipment, data processing equipment,
facsimiles, alarm equipment, measuring equipment.
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