AJ8 Switches with Trip Function Upgraded Type (AJ8R)
Panasonic Corporation Electromechanical Control Business Division
industrial.panasonic.com/ac/e/
AECTB30E 202110
Panasonic Corporation 2021
RATING
Contact rating
Contact voltage
Resistive load
(Power factor = 1)
Motor load*
(EN61058-1)
(Power factor = 0.6)
Inrush load
125 V AC
16 A
—
100 A (8.3 ms)
250 V AC
10 A
4 A
—
Note: * The motor load is in accordance with EN61058-1. Inrush current can be switched up to the value of 6 times the indicated rating.
Coil rating for electromagnetic reset function
Nominal voltage
(Max. 10 sec)
Drop-out voltage
(at 20°C)
Nominal operating current
[±10%] (at 20°C)
Coil resistance
[±10%] (at 20°C)
Maximum voltage
(Max. 1 s)
5 V DC
Min. 0.5 V Max. 4.5 V
725 mA
6.9
Ω
5.5 V
12 V DC
Min. 1.2 V Max. 10.8 V
300 mA
40
Ω
13.2 V
24 V DC
Min. 2.4 V Max. 21.6 V
150 mA
160
Ω
26.4 V
Notes: 1. If the rated voltage is applied to the coil for more than ten seconds or the maximum voltage is applied for more than one second, coil performance will deteriorate.
2. Please apply more than 90% of coil voltage to reset the switch.
Specifications
Item
Specifications
Electrical life
Manual operation
Min.10
4
(at 7 cpm., at rated load)
Coil operation
Min.5 × 10
4
(at 7 cpm. 5 A 125 V AC)
Mechanical life
Min.5 × 10
4
(at 20 cpm.)
Contact resistance
Initial, Max. 100
mΩ (by voltage drop at
1 A, 2 to 4 V DC)
Insulation resistance
Initial, Min. 100
MΩ (at
500 V DC measured by insulation resistive meter)
Dielectric strength
Between contacts
Initial, 2,000 Vrms for 1 min (detection current: 10 mA)
Between coil and contact
Initial, 4,000 Vrms for 1 min (detection current: 10 mA)
Ambient temperature
0 to +60°C (no freezing and condensing)
Vibration resistance
10 to 55 Hz at single amplitude of 0.75 mm, 2 hours each in X, Y and Z directions,
Contact opening Max. 1 ms
Shock resistance
Functional
Min. 294 m/s
2
Contact opening Max. 1 ms
Destructive
Min. 980 m/s
2
Terminal strength
.250 Quick-connect terminal: Min. 98 N/min (Pull & push direction)
Actuator strength
Min. 39.2 N for 1 min (operating direction)
Contact release time
Max. 100 ms (at rated voltage)
Operating force (Initial)
* Reference value
4.9 N or less
Setting force after reset has been released: Max. 6.86 N
Flame retardancy
UL94V-0
Tracking resistance
Min. 175
Unit weight
1-pole single throw: Approx. 17 g
1-pole double throw: Approx. 19 g
2-pole single throw: Approx. 20 g
Contact material
AgSnO
2
alloy
ー 3 ー
