PA
THE SLIM POWER RELAY
FEATURES
PA-RELAYS
5
.197
• Slim size (width 5 mm .197 inch, height 12.5 mm .492 inch) permits higher density
mounting
20
.787
12.5
.492
• Wide switching capacity: Control from 100µA 100 mV to 5 A 250 V AC, 30 V DC
• High sensitivity: 120 mW (Nominal) (5 to 18 V DC type)
• High surge voltage (4000 V) and high breakdown voltage (2000 V)
• Shock & vibration resistance (functional): Min. 147m/s2 {15 G}
• SIL (single in line) terminal layout
mm inch
• Reinforced according to IEC1131-2 (TÜV)
SPECIFICATIONS (at 20°C 68°F)
Contacts
Characteristics
Arrangement
1a
Max. operating speed
Initial insulation resistance*1
20 cpm at rated load
Min. 1,000 MΩ at 500 V DC
1,000 Vrms
Contact material
Gold-clad silver alloy
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Initial break- Between open contacts
down
30 mΩ
Between contacts and coil
voltage*2
2,000 Vrms
Nominal switching capacity
Maximum switching power
5 A 250 V AC, 5 A 30 V DC
750 VA, 90 W
Surge voltage between contacts and
coil*3
Operate time*4 (at nominal voltage)
Release time (without diode)*4
(at nominal voltage)
4,000 V
Rating
Maximum switching voltage
(resistive)
250 V AC, 110 V DC
5 A
Approx. 6 ms
Approx. 3 ms
Max. switching current
Min. switching capacity
100µA, 100 mV DC
2×107
3 A 250 V AC, 3 A 30 V DC, 105
5 A 250 V AC, 5 A 30 V DC, 5×104
Mechanical
Expected life
Max. 45°C with nominal coil voltage across
coil and at nominal switching capacity
Temperature rise
(min.
operations)
Electrical (at 20 cpm)
Functional*5
Shock resistance
Min. 147 m/s2 {15 G}
Min. 980 m/s2 {100 G}
Destructive*6
Coil (at 25°C 77°F, 50% R.H.)
5 to 18 V DC
120 mW
180 mW
Min. 147 m/s2 {15 G}, 10 to 55 Hz
at double amplitude of 2.5 mm
Min. 205.8 m/s2 {21 G}, 10 to 55 Hz
at double amplitude of 3.5 mm
Nominal operating
power
Functional*7
Vibration resistance
24 V DC
Remarks
Destructive
* Specifications will vary with foreign standards certification ratings.
*1 Measurement at same location as "Intial breakdown voltage" section
*2 Detection current: 10mA
Conditions for operation,
transport and storage*8
(Not freezing and condens-
ing at low temperature)
Ambient
temp.
–40°C to +70°C –40°F to +158°F
*3 Wave is standard shock voltage of ±1.2×50µs according to JEC-212-1981
*4 Excluding contact bounce time
Humidity
5 to 85%R.H.
*5 Half-wave pulse of sine wave: 11ms; detection time: 10µs
*6 Half-wave pulse of sine wave: 6ms
Unit weight
Approx. 3 g .15 oz
*7 Detection time: 10µs
*8 Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61).
TYPICAL APPLICATIONS
• Interface relays for programmable controllers
• Output relays for measuring equipment, timers, counters and
temperature controllers
ORDERING INFORMATION
Ex. PA
1a
12V
Contact arrangement
1a: 1 Form A
Coil voltage (DC)
5, 6, 9, 12, 18, 24V
• Industrial equipment, office equipment
Note: Standard packing: Tube: 25 pcs.; Case: 1,000 pcs.
UL/CSA, TÜV approved type is standard.
TYPES AND COIL DATA (at 20°C 68°F)
Nominal
voltage,
V DC
Pick-up
voltage,*
Drop-out
voltage,*
Nominal opera-
ting current,
mA (±10%)
Nominal
operating power,
mW
Coil
resistance,
Ω (±10%)
Max. allowable
voltage,
Part No.
V DC (max.)
V DC (min.)
V DC
PA1a-5VV
PA1a-6VV
PA1a-9VV
PA1a-12V
5
6
3.5
4.2
0.25
0.3
24
20
120
120
120
120
120
180
208
300
6
7.2
9
6.3
0.45
0.6
13.3
10
675
10.8
14.4
21.6
28.8
12
18
24
8.4
1,200
2,700
3,200
PA1a-18V
12.6
16.8
0.9
6.7
7.5
PA1a-24V
1.2
*1 Pulse driving
214