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Specifications
■ Ratings
Coil
Rated voltage
Rated current
Coil resistance
Must-operate
Must-release
Maximum voltage
Power
voltage
voltage
(See note 3.)
consumption
12 VDC
24 VDC
938 mA
469 mA
12.8 Ω
51.2 Ω
75% max. of rated
voltage
8% min. of rated
voltage
110% of rated volt- Approx. 11 W
age
48 VDC
60 VDC
100 VDC
234 mA
188 mA
113 mA
204.8 Ω
320.0 Ω
888.9 Ω
Note: 1. The figures for the rated current and coil resistance are for a coil temperature of 23 ° C and have a tolerance of ± 10%.
2. The figures for the operating characteristics are for a coil temperature of 23 ° C.
3. The figure for the maximum voltage is the maximum voltage that can be applied to the relay coil for period of 10 minutes at an ambient
temperature of 23 ° C. It does not apply to continuous operation.
Contacts
Item
Rated load
Rated carry current
Maximum switching voltage
Maximum switching current
Resistive load
G9EC-1(-B)
200 A at 400 VDC
200 A
400 V
200 A
■ Characteristics
Item
Contact resistance (See note 2.)
Contact voltage drop
Operate time
Release time
G9EC-1(-B)
30 m Ω max. (0.2 m Ω typical)
0.1 V max. (for a carry current of 200 A)
50 ms max.
30 ms max.
Insulation
Between coil and contacts
1,000 M Ω min.
resistance
(See note 3.)
Between contacts of the same polarity 1,000 M Ω min.
Dielectric strength
Between coil and contacts
2,500 VAC, 1 min
Between contacts of the same polarity 2,500 VAC, 1 min
Impulse withstand voltage (See note 4.)
Vibration resistance Destruction
Malfunction
4,500 V
10 to 55 to 10 Hz 0.75-mm single amplitude (Acceleration: 2.94 to 88.9 m/s 2 )
10 to 55 to 10 Hz 0.75-mm single amplitude (Acceleration: 2.94 to 88.9 m/s 2 )
Shock resistance
Destruction
490 m/s 2
Malfunction
Mechanical endurance (See note 5.)
Electrical endurance (resistive load) (See note 6.)
Short-time carry current
Maximum interruption current
Overload interruption
Reverse polarity interruption
Ambient operating temperature
Ambient operating humidity
Weight
196 m/s 2
200,000 operations min.
400 VDC, 200 A, 3,000 operations min.
300 A (15 min)
1,000 A at 400 VDC (10 times)
700 A at 400 VDC (40 times min.)
–200 A at 200 VDC (1,000 times min.)
–40 to 50 ° C (with no icing or condensation)
5% to 85%
Approx. 560 g
Note: 1.
2.
3.
4.
5.
6.
The above values are initial values at an ambient temperature of 23 ° C unless otherwise specified.
The contact resistance was measured with 1 A at 5 VDC using the voltage drop method.
The insulation resistance was measured with a 500-VDC megohmmeter.
The impulse withstand voltage was measured with a JEC-212 (1981) standard impulse voltage waveform (1.2 × 50 μ s).
The mechanical endurance was measured at a switching frequency of 3,600 operations/hr.
The electrical endurance was measured at a switching frequency of 60 operations/hr.
2
DC Power Relays (200-A Models)
G9EC-1
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