Datasheet
2
A SERIES
■ SPECIFICATIONS
Standard Type
Single Winding Latching Type Double Winding Latching Type
Item
A-( ) W-K AL-( ) W-K AL-D ( ) W-K
Contact Arrangement 2 form C (DPDT)
Material Gold overlay silver alloy
Resistance (initial) Maximum 50 mΩ (at 1 A 6 VDC)
Rating (resistive) 0.5 A 125 VAC or 1 A 30 VDC
Maximum Carrying Current 2 A
Maximum Switching Power 62.5 AV/30 W
Maximum Switching Voltage 250 VAC, 220 VDC
Maximum Switching Current 2 A
Minimum Switching Load*
1
0.01 mA 10 mVDC
Capacitance Approximately 0.5 pF (between open contacts, adjacent contacts)
Approximately 1.0 pF (between coil and contacts)
Coil Nominal Power (at 20°C) 0.14 to 0.3 W 0.1 to 0.15 W 0.20 to 0.3 W
Operate Power (at 20°C) 0.08 to 0.17 W 0.06 to 0.85 W 0.15 to 0.17 W
Operating Temperature –40°C to +85°C (no frost) (refer to the CHARACTERISTIC DATA)
Time Value Operate (at nominal voltage) Maximum 6 ms Maximum 6 ms (set)
Release (at nominal voltage) Maximum 4 ms Maximum 6 ms (reset)
Insulation Resistance (at 500 VDC) Minimum 1,000 MΩ
between open contacts
1,000 VAC 1 minute
Dielectric
between adjacent contacts
1,000 VAC 1 minute
Strength
between coil and contacts
1,000 VAC 1 minute
Surge Strength 1,500 V (between coil and contacts)
Life Mechanical 1 × 10
8
operations minimum 1 × 10
7
operations minimum
Electrical 2 × 10
5
ops. min. (0.5 A 125 VAC), 5 × 10
5
ops. min. (1 A 30 VDC)
Other
Vibration
Misoperation 10 to 55 Hz (double amplitude of 3.3 mm)
Resistance
Endurance 10 to 55 Hz (double amplitude of 5.0 mm)
Shock
Misoperation 500 m/s
2
(11 ±1 ms)
Resistance
Endurance 1,000 m/s
2
( 6 ±1 ms)
Weight Approximately 1.2 g
*
1
Minimum switching loads mentioned above are reference values. Please perform the confirmation test with the actual
load before production since reference values may vary according to switching frequencies, environmental conditions
and expected reliability levels.