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■ Characteristics
Classification
Item Model
Contact resistance (See note 2.)
Operating time (See note 3.)
Release time (See note 3.)
Maximum operating Mechanical
Relay (See note 6.) Auxiliary contact block
G7Z-4A- @ Z, G7Z-3A1B- @ Z, G7Z-2A2B- @ Z G73Z-20Z, G73Z-11Z, G73Z-02Z
400 m Ω max. 100 m Ω max.
50 ms max.
50 ms max.
1,800 operations/h
frequency
Rated load
1,200 operations/h
Insulation resistance (See note 4.)
Dielectric strength Between coil and contacts
Between contacts of different polarity
Between contacts of the same polarity
1,000 M Ω min.
4,000 VAC, 50/60 Hz for 1 min —
4,000 VAC, 50/60 Hz for 1 min
2,000 VAC, 50/60 Hz for 1 min
Impulse withstand
voltage
Between coil and contacts
Between contacts of different polarity
10 kV, 1.2 x 50 μ s —
10 kV, 1.2 x 50 μ s
Between contacts of the same polarity
Vibration resistance Destruction
Malfunction
4.5 kV, 1.2 x 50 μ s
10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude)
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
Endurance
Destruction
Malfunction
Mechanical
Electrical (See note 5.)
Screw mounting: 800 m/s 2 , DIN Track mounting: 500 m/s 2
NO: 100 m/s 2
NO: 25 m/s 2
1,000,000 operations min. (at 1,800 operations/h, contact no load)
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)
Minimum load (@ 1,800 operations/h)
Ambient operating temperature
Ambient operating humidity
Weight
2 A at 24 VDC 1 mA at 5 VDC
-25 to 60 ° C (with no icing or condensation)
5% to 85%
Approx. 330 g Approx. 18 g
Note: 1. The above values are initial values.
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.
3. The operate time was measured with the rated voltage imposed with any contact bounce ignored at the ambient temperature of 23 ° C.
4. The insulation resistance was measured with a 1,000-VDC megohmmeter applied to the same places as those used for checking the
dielectric strength.
5. The electrical endurance was measured at an ambient temperature of 23 ° C.
6. The specifications for the auxiliary contact block mounted on the G7Z are the same as those for the G73Z auxiliary contact block.
■ Approved Standards
UL Recognized (File No. E41643) - - Ambient Temp = 40 ° C
CSA Certification by
Model
G7Z
Coil
ratings
12, 24
VDC
Contact ratings
NO 40 A, 480 VAC, 60 Hz
contact (Resistive)
5 A, 120 VDC (Resistive)
22 A, 480 VAC, 60 Hz (Gen-
eral Use)
D300 * (1-A current applied)
NC 25 A, 480 VAC, 60 Hz
contact (Resistive)
5 A, 120 VDC (Resistive)
10 A, 480 VAC, 60 Hz
Number of
test
operations
80,000
100,000
100,000
—
100,000
CCC Certification (File No. 2009010304361493)
GB14048.4
EN Standard/TüV Certification: EN 60947-4-1
(Certification No. R50079155)
Model Coil ratings Contact ratings
G7Z 12, 24 VDC NO contact AC-1: 40 A, 440 V, 50/60 Hz
AC-3: 16 A, 440 V, 50/60 Hz
DC-1: 5 A, 110 V
* AC-15: 0.5 A, 440 V, 50/60 Hz
* DC-13: 0.5 A, 110 V
NC contact AC-1: 25 A, 440 V, 50/60 Hz
(General Use)
DC-1: 5 A, 110 V
* Auxiliary contact ratings
D300 * (1-A current applied)
—
* AC-15: 0.5 A, 440 V, 50/60 Hz
* DC-13: 0.5 A, 110 V
G73Z — NO contact AC-15: 0.5 A, 440 V, 50/60 Hz
Model
Contact ratings
NC contact DC-13: 0.5 A, 110 V
G73Z
NO contact
D300 (1-A current applied)
* Auxiliary contact ratings
NC contact
Power Relays
G7Z
355
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