Automation Controls Catalog
1 Form A 5A
slim power relay
PA RELAYS
for interface
2. Nominal operating power: High 7. Sealed construction allows
sensitivity of 120mW automatic washing
Enables smaller power supplies, 8. SIL (single in line) terminal layout
facilitates energy saving applications, 9. Complies with safety standards
and contributes to device size smaller. Complies with Japanese Electrical
3. Control from low level loads to 5 A Appliance and Material Safety Law, and
Use of gold-clad twin contacts enables certied by UL, CSA, and TV.
10. Sockets are available
control of low level loads down to 100 mV
100 A and up to 5 A 250 V AC and 30 V
DC.
TYPICAL APPLICATIONS
4. Reinforced according to IEC1131-2
RoHS compliant
(TV) 1. Industrial equipment, ofce
5. High surge breakdown voltage
equipment
(4000 V) and high breakdown voltage
Protective construction: Sealed type 2. Measuring devices and test
(2000 V)
equipment
Between contacts and coil of 2,000 V and
3. Interface relays for programmable
surge resistance of 4,000 V work to
controllers
prevent controller malfunctions caused by
4. Output relays in small devices such
FEATURES
noise and surges.
as timers, counters, sensors, and
6. Outstanding vibration and shock
1. Slim size (width 5 mm .197 inch, temperature controllers
resistance
height 12.5 mm .492 inch) permits
2
Functional shock resistance: 147 m/s
higher density mounting
Despite the slim 5 mm .197 inch width, Functional vibration resistance:
the 20 mm .787 inch length is still 10 to 55 Hz (at double amplitude of
compact and the 12.5 mm prole is low. 2.5 mm .098 inch)
Even when a socket is used, the height is Keeps equipment from miss-operation
still only 18 mm .709 inch. Suitable for due to vibration and shock.
high-density mounting, these relays Can be used as mounted on control
enable device size smaller. panel doors.
ORDERING INFORMATION
PA 1a
Contact arrangement
1a: 1 Form A (Bifurcated)
Nominal coil voltage (DC)
5, 6, 9, 12, 18, 24V
Note: Certified by UL, CSA and TV
TYPES
Contact arrangement Nominal coil voltage Part No.
5V DC PA1a-5V
6V DC PA1a-6V
9V DC PA1a-9V
1 Form A
12V DC PA1a-12V
18V DC PA1a-18V
24V DC PA1a-24V
Standard packing: Tube: 25 pcs.; Case: 1,000 pcs.
* Terminal sockets available.
industrial.panasonic.com/ac/e/ Panasonic Corporation 2014 ASCTB204E 201402-T
2014.02
1PA
RATING
1. Coil data
Nominal operating
Nominal coil Pick-up voltage Drop-out voltage Coil resistance Nominal operating Max. applied voltage
current
voltage (at 20C 68F) (at 20C 68F) [10%] (at 20C 68F) power (at 20C 68F)
[10%] (at 20C 68F)
5V DC 24mA 208
6V DC 20mA 300
70%V or less of 5%V or more of
9V DC 13.3mA 675 120mW
120%V of
1 1
nominal voltage * nominal voltage*
nominal voltage
12V DC 10mA 1,200
(Initial) (Initial)
18V DC 6.7mA 2,700
2
24V DC 7.5mA 3,200 180mW*
Notes: *1 Pulse drive (JIS C 5442)
*2 24V DC, 120mW type are also available, please consult us.
2. Specications
Characteristics Item Specications
Arrangement 1 Form A (Bifurcated)
Contact Contact resistance (Initial) Max. 30 m (By v oltage drop 6 V DC 1A)
Contact material Au-clad AgNi type
Nominal switching capacity (resistive load) 5 A 250 V AC, 5 A 30 V DC
Max. switching power (resistive load) 1,250 VA, 150 W
Max. switching voltage 250 V (AC), 110 V (DC)
Rating
Max. switching current 5 A
Nominal operating power 120 mW (5 to 18 V DC), 180 mW (24 V DC)
1
Min. switching capacity (Reference value)* 100A 100mV DC
Insulation resistance (Initial) Min. 1,000M (at 500V DC) Measurement at same location as Breakdown voltage section.
Between open contacts 1,000 Vrms for 1min. (Detection current: 10mA.)
Breakdown voltage
(Initial)
Between contact and coil 2,000 Vrms for 1min. (Detection current: 10mA.)
Surge breakdown
2
Electrical Between contacts and coil* 4,000 V
voltage (Initial)
characteristics
Max. 45C
Temperature rise (coil) (at 20C 68F)
(By resistive method, nominal coil voltage applied to the coil, nominal switching capacity.)
Operate time (at nominal voltage) (at 20C 68F) Max. 10 ms
Release time (at nominal voltage) (at 20C 68F) Max. 5 ms
2
Functional Min. 147 m/s (Half-wave pulse of sine wave: 11 ms; detection time: 10s.)
Shock resistance
2
Destructive Min. 980 m/s (Half-wave pulse of sine wave: 6 ms.)
Mechanical
characteristics
Functional 10 to 55 Hz at double amplitude of 2.5 mm (Detection time: 10s.)
Vibration resistance
Destructive 10 to 55 Hz at double amplitude of 3.5 mm
7
Mechanical Min. 210 (at 180 times/min.)
Expected life 5
Min. 10 (3 A 250 V AC, 30 V DC, resistive load)
Electrical
4
Min. 510 (5 A 250 V AC, 30 V DC, resistive load) (at 20 times/min.)
Ambient temperature: 40C to 70C 40F to 158F;
3
Conditions for operation, transport and storage*
Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature)
Conditions
Max. operating speed 20 times/min. (at nominal switching capacity)
Unit weight Approx. 3 g .15 oz
Notes: *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
actual load.
*2. Wave is standard shock voltage of 1.250s according to JEC-212-1981
*3. The upper limit of the ambient temperature is the maximum temperature that can satisfy the coil temperature rise value. Refer to Usage, transport and storage
conditions in NOTES.
REFERENCE DATA
1. Max. switching capacity 2. Life curve 3.-(1) Coil temperature rise (180 mW)
Tested sample: PA1a-24V
Measured portion: Inside the coil
Ambient temperature: 20C 68F
100
90
80
70
100
AC resistive load
60
5
50
4
50
30
3
2 5A
20
40 3A
2A
1 DC resistive load 10
0A
30
AC 125 V resistive load
0.5
DC 30 V resistive load
0.4 20
AC 250 V resistive load
0.3
0.2 10
0
2030 50 100 200 300 0.5 1 2 3 5 10 100 100 110 120 130 140 150
Contact voltage, V
Switching capacity, A Coil applied voltage, %V
Panasonic Corporation Automation Controls Business Division
Panasonic Corporation 2014 ASCTB204E 201402-T
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2
Contact current, A
4
No. of operations, 10
Temperature rise, C