CM
RATING
1. Coil data
Nominal coil
voltage
12 V DC
24 V DC
Pick-up voltage
(at 20 ° C 68 ° F )
3 to 7 V DC
6 to 14 V DC
Drop-out voltage
(at 20 ° C 68 ° F )
1.2 to 4.2 V DC
2.4 to 8.4 V DC
Nominal operating
current
[ ± 10%] (at 20 ° C 68 ° F )
125 mA
75 mA
Coil resistance
[ ± 10%] (at 20 ° C 68 ° F )
96 ?
320 ?
Nominal operating
power
1.5 W
1.8 W
Usable voltage range
10 to 16V DC
20 to 32V DC
2. Speci?cations
Characteristics
Arrangement
Item
1 Form A
12 V DC
1 Form C
Speci?cations
1 Form A
24 V DC
1 Form C
Contact resistance (Initial)
Typ 2m ? (By voltage drop 6V DC 1A)
N.O.: Max. 0.5 V
N.O.: Max. 0.3 V
Contact
Contact voltage drop
(after electrical life test)
N.O.: Max. 0.5 V
(By voltage drop
14 V DC 35 A)
(By voltage drop
14 V DC 35 A)
N.C.: Max. 0.3 V
(By voltage drop
N.O.: Max. 0.3 V
(By voltage drop
28 V DC 15 A)
(By voltage drop
28 V DC 15 A)
N.C.: Max. 0.2 V
(By voltage drop
14 V DC 20 A)
28 V DC 8 A)
Contact material
Ag alloy (Cadmium free)
Nominal switching capacity (resistive load)
N.O.: 35 A 14V DC
N.O.: 35 A 14V DC
N.C.: 20 A 14V DC
N.O.: 15 A 28V DC
N.O.: 15 A 28V DC
N.C.: 8 A 28V DC
Rating
Max. carrying current
(at 85 ° C 185 ° F , continuous)
N.O.: 20 A 14V DC
N.O.: 20 A 14V DC
N.C.: 10 A 14V DC
N.O.: 15 A 28V DC
N.O.: 15 A 28V DC
N.C.: 8 A 28V DC
Nominal operating power
1.5 W, 1.7 W (with resistor inside type) 1.8 W, 2.0 W (with resistor inside type)
Min. switching capacity (resistive load)* 1
1 A 14V DC
1 A 24V DC
Insulation resistance (Initial)
Min. 20 M ? (at 500V DC, Measurement at same location as “Breakdown voltage” section.)
Breakdown voltage
Between open contacts
500 Vrms for 1 min. (Detection current: 10mA)
Electrical
(Initial)
Between contacts and coil
500 Vrms for 1 min. (Detection current: 10mA)
characteristics
Operate time (at nominal voltage)
(at 20 ° C 68 ° F )
Release time (at nominal voltage)
(at 20 ° C 68 ° F )
Max. 10ms (excluding contact bounce time) (Initial)
Max. 10ms (excluding contact bounce time) (Initial)
Mechanical
characteristics
Shock resistance
Vibration resistance
Functional
Destructive
Functional
Destructive
Min. 200 m/s 2 {20G} (Half-wave pulse of sine wave: 11ms; detection time: 10 μ s)
Min. 1,000 m/s 2 {100G} (Half-wave pulse of sine wave: 6ms)
10 Hz to 500 Hz, Min. 44.1 m/s 2 {4.5G}
10 Hz to 2,000 Hz, Min. 44.1 m/s 2 {4.5G},
Time of vibration for each direction; X, Y, Z direction: 4 hours
Expected life
Conditions
Mass
Mechanical (at 120 cpm)
Electrical (operating frequency: 2s ON, 2s OFF)
Conditions for operation, transport and storage* 2
Min. 10 6
Flux-resistant type: Min. 10 5 , Sealed type: Min. 5 × 10 4
Ambient temperature: –40 ° C to +85 ° C –40 ° F to +185 ° F * 3 ,
Humidity: 5% R.H. to 85% R.H. (Not freezing and condensing at low temperature),
Air pressure: 86 to 106 kPa
Approx. 20 g .71 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. The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. Please refer to “Usage ambient
condition” in CAUTIONS FOR USE OF AUTOMOTIVE RELAYS.
*3. Please inquire if you will be using the relay in a high temperature atmosphere.
REFERENCE DATA
1.-(1) Coil temperature rise (12V type, 85 ° C
185 ° F )
Sample: CM1F-12V, 3 pcs.
Measured portion: Inside the coil
Contact carrying current: 20A, 35A
Ambient temperature: 85 ° C 185 ° F
120
35A
100
1.-(2) Coil temperature rise (24V type, 85 ° C
185 ° F )
Sample: CM1F-24V, 4 pcs.
Measured portion: Inside the coil
Contact carrying current: 0A, 15A
Ambient temperature: 85 ° C 185 ° F
120
100
2. Ambient temperature and operating voltage
range (12V type)
30
25
80
20A
80
15A
20
Operating voltage range
0A
60
40
20
60
40
20
15
10
5
Pick-up voltage
? 40 ? 20
0
12
14
16
0
24
28
32
0
0
(Cold start)
20 40 60
8085 100 120
Coil applied voltage, V
Coil applied voltage, V
Ambient temperature, ° C
Panasonic Corporation
Automation Controls Business Unit
industrial.panasonic.com/ac/e/
ASCTB222E 201302-T
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