G7Z
Relè di potenza compatto 160 A
La serie G7Z offre una soluzione compatta ed economica per applicazioni quali inverter, gruppi di continuità statici UPS, circuiti di batterie a celle di combustibile e circuiti di batterie solari. Il relè in combinazione con modulo contatti ausiliari è conforme alla normativa EN 60947-4-1. Le tensioni nominali della bobina disponibili sono 12 e 24 V c.c. L'assorbimento è inferiore a 4 Watt.
- Corrente nominale di commutazione 40 A/4 poli/IEC-AC1
- Tensione di commutazione a 440 V c.a.
- Conformità allo standard europeo per il fotovoltaico (VDE0126)
- Assorbimento inferiore a 4 Watt
- Basso rumore di commutazione
Caratteristiche ed info per ordinare
Ordering Information
Relay with Auxiliary Contact Block
| Number of poles (Relay with Auxiliary Contact) |
Contact configuration | Contact Mechanism of Auxiliary Contacts | ||||
|---|---|---|---|---|---|---|
| Relay | Auxiliary Contact Block | Single-break models | Double-break models
2
Scheduled
to close the order at the end of March 2019. |
|||
| Rated Voltage | Order code | Rated Voltage | Order code | |||
| 4 poles + 2 poles | 4PST-NO | DPST-NO | 12, 24 VDC | G7Z-4A-20Z-R | 12, 24 VDC | G7Z-4A-20Z |
| SPST-NO/SPST-NC | 12, 24 VDC | G7Z-4A-11Z-R | 12, 24 VDC | G7Z-4A-11Z | ||
| DPST-NC | 12, 24 VDC | G7Z-4A-02Z-R | 12, 24 VDC | G7Z-4A-02Z | ||
| 3PST-NO/SPST-NC | DPST-NO | 12, 24 VDC | G7Z-3A1B-20Z-R | 12, 24 VDC | G7Z-3A1B-20Z | |
| SPST-NO/SPST-NC | 12, 24 VDC | G7Z-3A1B-11Z-R | 12, 24 VDC | G7Z-3A1B-11Z | ||
| DPST-NC | 12, 24 VDC | G7Z-3A1B-02Z-R | 12, 24 VDC | G7Z-3A1B-02Z | ||
| DPST-NO/DPST-NC | DPST-NO | 12, 24 VDC | G7Z-2A2B-20Z-R | 12, 24 VDC | G7Z-2A2B-20Z | |
| SPST-NO/SPST-NC | 12, 24 VDC | G7Z-2A2B-11Z-R | 12, 24 VDC | G7Z-2A2B-11Z | ||
| DPST-NC | 12, 24 VDC | G7Z-2A2B-02Z-R | 12, 24 VDC | G7Z-2A2B-02Z | ||
Note:
- Relay contact terminals are M5, and the coil terminals are M3.5.
- Auxiliary contact block terminals are M3.5.
- When placing an order, specify the model number and rated supply voltage (12 VDC or 24 VDC).
Relay
| Number of poles | Contact configuration | Rated Voltage | Order code |
|---|---|---|---|
| 4 poles | 4PST-NO | 12, 24 VDC | G7Z-4A |
| 3PST-NO/SPST-NC | G7Z-3A1B | ||
| DPST-NO/DPST-NC | G7Z-2A2B |
Note:
- Relay contact terminals are M5, and the coil terminals are M3.5.
- When placing an order, specify the model number and rated supply voltage (12 VDC or 24 VDC).
Accessories (Order Separately)
Auxiliary Contact Block
| Number of poles | Contact Configuration | Order code | |
|---|---|---|---|
| Contact Mechanism of Auxiliary Contacts | |||
| Single-break models | Double-break models
2
Scheduled
to close the order at the end of March 2019. |
||
| 2 poles | DPST-NO | G73Z-20Z-R | G73Z-20Z |
| SPST-NO/SPST-NC | G73Z-11Z-R | G73Z-11Z | |
| DPST-NC | G73Z-02Z-R | G73Z-02Z | |
Note:
Auxiliary contact block terminals are M3.5.
Specifications
Coil ratings
| Rated voltage | Rated current (mA) | Coil resistance (Ω) | Must operate voltage | Must release voltage | Maximum voltage | Power consumption (W) |
|---|---|---|---|---|---|---|
| Percentage of rated voltage | ||||||
| 12 VDC | 308 | 39 | 75% max. | 10% min. | 110% | Approx. 3.7 |
| 24 VDC | 154 | 156 | ||||
Note:
- Rated current and coil resistance were measured at a coil temperature of 23°C with coil resistance of ±15%.
- 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.
Contact ratings
Relay, Relay with Auxiliary Contact Block
| Model | G7Z-4A- |
|||
|---|---|---|---|---|
| Load | Resistive load | Inductive load cosφ = 0.3 | Resistive load L/R = 1 ms | |
| Contact structure | Double break | |||
| Contact material | Ag alloy | |||
| Rated load | NO | 40 A at 440 VAC | 22 A at 440 VAC | 5 A at 110 VDC |
| NC | 25 A at 440 VAC | 10 A at 440 VAC | 5 A at 110 VDC | |
| Rated carry current | NO | 40 A
2
Set of Relay and Auxiliary
Contact Block: 45 to 60°C; for the continuous carry current, reduce
40 A by 0.7 A/°C. |
||
| NC | 25 A | |||
| Maximum contact voltage | 480 VAC | 125 VDC | ||
| Maximum contact current | NO | 40 A | 22 A | 5 A |
| NC | 25 A | 10 A | 5 A | |
| Maximum switching capacity | NO | 17,600 VA | 9,680 VA | 550 W |
| NC | 11,000 VA | 4,400 VA | 550 W | |
| Failure rate P value (reference value) | 2 A at 24 VDC | |||
Note:
The ratings for the auxiliary contact block mounted on the G7Z are the same as those for the G73Z auxiliary contact block.
Auxiliary Contact Block
| Model | G73Z-20Z-R, G73Z-11Z-R, G73Z-02Z-R | G73Z-20Z, G73Z-11Z, G73Z-02Z | ||||
|---|---|---|---|---|---|---|
| Load | Resistive load | Inductive load cosφ = 0.3 |
Resistive load L/R = 1 ms |
Resistive load | Inductive load cosφ = 0.3 |
Resistive load L/R = 1 ms |
| Contact structure | Single break | Double break | ||||
| Contact material | Au clad + AgNi | Au clad + Ag | ||||
| Rated load | 1 A at 440 VAC | 0.5 A at 440 VAC | 0.5 A at 110 VDC | 1 A at 440 VAC | 0.5 A at 440 VAC | 0.5 A at 110 VDC |
| Rated carry current | 1 A | 1 A | ||||
| Maximum contact voltage | 480 VAC | 125 VDC | 480 VAC | 125 VDC | ||
| Maximum contact current | 1 A | 0.5 A | 1 A | 0.5 A | ||
| Maximum switching capacity | 440 VA | 220 VA | 55 W | 440 VA | 220 VA | 55 W |
| Failure rate P value (reference value) | 1 mA at 1 VDC | 1 mA at 5 VDC | ||||
Characteristics
| Classification | Relay with auxiliary contact block
2
The specifications for the auxiliary contact block mounted on the G7Z are the same as those for the G73Z auxiliary contact block. |
Auxiliary contact block | ||
|---|---|---|---|---|
| Model | G7Z-4A-⬜Z(-R), G7Z-3A1B-⬜Z(-R), G7Z-2A2B-⬜Z(-R) | G73Z-20Z-R, G73Z-11Z-R, G73Z-02Z-R | G73Z-20Z, G73Z-11Z, G73Z-02Z | |
| Contact resistance
2
The contact resistance for the Relay (G7Z) was measured with 1 A at 5 VDC using the voltage drop method. The contact resistance for the auxiliary contact block (G73Z) was measured with 0.1 A at 5 VDC using the voltage drop method. |
400 mΩ max. | 100 mΩ max. | ||
| Operating
time
2
The operate time was measured with
the rated voltage imposed with any contact bounce ignored at the
ambient temperature of 23°C. |
50 ms max. | |||
| Release time
2
The operate time was measured with
the rated voltage imposed with any contact bounce ignored at the
ambient temperature of 23°C. |
50 ms max. | |||
| Maximum operating frequency | Mechanical | 1,800 operations/h | ||
| Rated load | 1,200 operations/h | |||
| Insulation
resistance
2
The insulation resistance was measured with a 1,000-VDC
megohmmeter applied to the same places as those used for checking
the dielectric strength. |
1,000 MΩ min. | |||
| Dielectric strength | Between coil and contacts | 4,000 VAC, 50/60 Hz for 1 min | – | |
| Between contacts of different polarity | 4,000 VAC, 50/60 Hz for 1 min | |||
| Between contacts of the same polarity | 2,000 VAC, 50/60 Hz for 1 min | |||
| Impulse withstand voltage | Between coil and contacts | 10 kV, 1.2 × 50 µs | – | |
| Between contacts of different polarity | 10 kV, 1.2 × 50 µs | |||
| Between contacts of the same polarity | 4.5 kV, 1.2 × 50 µs | 3.0 kV, 1.2 × 50 µs | 4.5 kV, 1.2 × 50 µs | |
| Vibration resistance | Destruction | 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) | ||
| Malfunction | NO: 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) NC: 10 to 32 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) | |||
| Shock resistance | Destruction | Screw mounting: 700 m/s2, DIN Track mounting: 500 m/s2 | ||
| Malfunction | NO: 100 m/s2 NC: 25 m/s2 | |||
| Durability | Mechanical | 1,000,000 operations min. (at 1,800 operations/h, contact no load) | ||
| Electrical
2
The electrical
endurance was measured at an ambient temperature of 23°C. |
AC resistive load: 80,000 operations AC inductive load: 80,000 operations DC resistive load: 100,000 operations (at 1,200 operations/h, rated load) |
|||
| Failure rate
(P level) (reference value)
2
The failure rate is based on an operating
frequency of 1,800 operations/h. |
2 A at 24 VDC | 1 mA at 1 VDC | 1 mA at 5 VDC | |
| Ambient operating temperature | −25 to 60°C (with no icing or condensation) | |||
| Ambient operating humidity | 5% to 85% | |||
| Weight | Approx. 330 g | Approx. 18 g | ||
Note:
The above values are initial values.
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