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Power relay G7Z (Part Numbers)
- On Sale Till 31/03/2025
Other multi-pin power relay in contactor current range that can be opened and closed by energizing 440 V AC / 40 A as a relay.
[Features]
・ 1 pole 40 A can be energized
・ Maximum energization capacity when 4 poles are connected in parallel is 160 A
・ Obtained EN60947-4-1 mirror contact mechanism certification by combining the relay body and auxiliary contact block
・ Designed with few openings to prevent dust and foreign matter from entering
・ Ideal for energizing industrial inverters, servo drivers, etc., and opening and closing power supplies for motors, etc.
・ Compliant with European PV standard (VDE0126)
[Applications]
・ Mainly available for control panels, industrial machines, etc.
Japanese Only
Part Number
Configured Part Number is shown.
Dust & Contaminant-Free Design Compact Electromagnetic Contactors
A maximum load capacity of 160 A when using 4-pole connections
Relay main unit (12 V, 24 V DC) + auxiliary contact block set, 4-pole dimensional drawing
| Structure | Contact Configuration | Rated Voltage | Format | ||
|---|---|---|---|---|---|
| Relay Main Body | Auxiliary Contact Block | ||||
| Relay Main Body + Auxiliary Contact Block Set | 4 Poles + 2 Poles | 4 A | 2 a | 12, 24 V DC | Model G7Z-4A-20Z |
| 1 a 1 b | 24 V | Model G7Z-4A-11Z | |||
| 2 b | 24 V | Model G7Z-4A-02Z | |||
| 3 A 1 B | 1 a 1 b | 24 V | Model G7Z-3A1B-11Z | ||
| 2 A 2 B | 1 a 1 b | 24 V | Model G7Z-2A2B-11Z | ||
Relay main body + auxiliary contact block set (for screw terminals)
| Rated Voltage (V) | Rated Current (mA) | Coil Resistance (Ω) | Operating Voltage | Release Voltage | Maximum Allowable Voltage | Power Consumption (W) | |
|---|---|---|---|---|---|---|---|
| On the Basis of Rated Voltage | |||||||
| DC | 12 | 308 | 39 | 75% max. | 10% min. | 110% | Approx. 3.7 |
| 24 | 154 | 156 | |||||
Ratings / Operation Coil
- The rated current and coil resistance were measured at a coil temperature of 23°C with a coil resistance of ±15%.
- The operating characteristics were measured at a coil temperature of 23°C.
- The maximum allowable voltage is the maximum value of the fluctuation range for the relay coil operating power supply and was measured at an ambient temperature of 23°C. There is, however, no continuous allowance.
| Format | Model G7Z-4A-□Z, Model G7Z-3A1B-□Z, Model G7Z-2A2B-□Z | |||
|---|---|---|---|---|
| Load | Resistive Load | Inductive Load (cosø = 0.3) | Resistive Load L/R = 1 ms | |
| Contact Mechanism | Double break | |||
| Contact Material | Ag alloy | |||
| Rated Load | a-Contact | 440 V AC 40 A | 440 V AC 22 A | 110 V DC 5 A |
| b Contact | 440 V AC 25 A | 440 V AC 10 A | 110 V DC 5 A | |
| Rated Carry Current | a-Contact | 40 A * | ||
| b Contact | 25 A | |||
| Max. Contact Voltage Value | 480 V AC | 125 V DC | ||
| Max. Contact Current Value | a-Contact | 40 A | 22 A | 5 A |
| b Contact | 25 A | 10 A | 5 A | |
| Maximum Switching Capacity Value | a-Contact | 17,600 VA | 9,680 VA | 550 W |
| b Contact | 11,000 VA | 4,400 VA | 550 W | |
| Failure Rate (P Level) (Reference Value) | 24 V DC 2 A | |||
Switch (Contact) / Relay Main Body
- *The ratings for the auxiliary contact block mounted on the G7Z are the same as those for the G73Z auxiliary contact block.
*Set of relay and auxiliary contact block: 45 to 60°C; for the continuous carry current, reduce 40 A by 0.7 A/°C.
| Classification | Relay Main Body *5 | |
|---|---|---|
| Format | Model G7Z-4A-□Z Model G7Z-3A1B-□Z Model G7Z-2A2B-□Z | |
| Contact Resistance *1 | 400 mΩ max. | |
| Operating Time *2 | 50 ms max. | |
| Recovery Time *2 | 50 ms max. | |
| Maximum Switching Frequency | Mechanical | 1,800 operations/hr |
| Rated Load | 1,200 operations/hr | |
| Insulation Resistance *3 | 1,000 MΩ min. | |
| Dielectric Strength | Between Coil And Contact | 4,000 V AC 50/60 Hz for 1 min |
| Between Contacts of Different Polarity | 4,000 V AC 50/60 Hz for 1 min | |
| Between Contacts of Same Polarity | 2,000 V AC 50/60 Hz for 1 min | |
| Impulse Withstand Voltage | Between Coil And Contact | 10 kV 1.2 × 50 μs |
| Between Contacts of Different Polarity | 10 kV 1.2 × 50 μs | |
| Between Contacts of Same Polarity | 4.5 kV 1.2 × 50 μs | |
| Vibration | Durability | 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) |
| Malfunction | a-contact: 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) b-contact: 10 to 32 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) | |
| Shock | Durability | Screw mounting: 700 m/s2, DIN track mounting: 500 m/s2 |
| Malfunction | a-contact: 100 m/s2 b-contact: 25 m/s2 | |
| Durability | Mechanical | 1,000,000 operations min. (at 1,800 operations/h, contact no load) |
| Electrical *4 | AC resistive load: 80,000 operations AC inductive load: 80,000 operations DC resistive load: 100,000 operations (at 1,200 operations/hr, rated load) | |
| Failure Rate (P Level) (Reference Value) *6 | 24 V DC 2 A | |
| Ambient Operating Temperature | -25 to +60°C (assuming no icing or condensation) | |
| Ambient Operating Humidity | 5 to 85% RH | |
| Weight | Approx. 330 g | |
Performance
- The values given above are initial values.
*1. Measurement conditions: The contact resistance for the relay (G7Z) was measured with 1 A at 5 V DC using the voltage drop method. G73Z auxiliary Contact block: measured with 0.1 A at 5 VDC using the voltage drop method.
* 2. Measured with the rated voltage applied with any contact bounce ignored and at an ambient temperature of 23°C.
* 3. Measured with a 1,000 V DC ohmmeter at the same places that the dielectric strength was checked.
* 4. Ambient temperature: +23°C
*5. This value was measured at a switching frequency of 1,800 operations/hr.
* 6. The performance of the auxiliary contact block mounted on the G7Z is the same as that for the G73Z auxiliary contact block.
| Part Number |
|---|
| G7Z-2A2B DC24 |
| G7Z-4A-11Z DC24 |
| G7Z-4A-20Z DC12 |
| G7Z-4A-20Z DC24 |
| G7Z-4A DC24 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Contact Configuration | Contact rated current (minimum value for AC and DC) (A) | Coil rated voltage (DC) (V) | Dimension depth (mm) | Auxiliary contact configuration | Contact mechanism | AC rated load (AUX contact) | DC rated load (AUX contact) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 89.54 | 1 Piece(s) | 4 Day(s) or more | [Other] 2a2b | 40/25 | 24 | 60 | - | - | - | - | ||
SGD 77.20 SGD 15.44 | 1 Piece(s) | Same day | [Other] 4a | 40 | 24 | 84 | 1a1b | Crossbar twin | AC440V/1A | DC110V/0.5A | ||
SGD 96.30 SGD 19.26 | 1 Piece(s) | Same day | [Other] 4a | 40 | 12 | 84 | 2a | Crossbar twin | AC440V/1A | DC110V/0.5A | ||
SGD 77.20 SGD 15.44 | 1 Piece(s) | Same day | [Other] 4a | 40 | 24 | 84 | 2a | Crossbar twin | AC440V/1A | DC110V/0.5A | ||
SGD 72.44 | 1 Piece(s) | 4 Day(s) or more | [Other] 4a | 40 | 24 | 60 | - | - | - | - |
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Basic Information
| Application | Power | Terminal shape | Screw terminal | Representative Standard | CE / UL / TUV / CCC / CSA |
|---|---|---|---|---|---|
| Dimension height(mm) | 62 | Dimension width(mm) | 45 | AC rated load | AC440 40 A (a contact)/ 25 A (b contact) |
| DC rated load | DC110 5 A (a contact)/ 5 A (b contact) |
Specification/Dimensions
-
Contact Configuration
- Other
- Other
-
Contact rated current (minimum value for AC and DC)(A)
-
Coil rated voltage (DC)(V)
-
Dimension depth(mm)
-
Auxiliary contact configuration
- 1a1b
- 2a
-
Contact mechanism
- Crossbar twin
-
AC rated load (AUX contact)
- AC440V/1A
-
DC rated load (AUX contact)
- DC110V/0.5A
Days to Ship
-
- All
- Same day
- 4 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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