4JG-4A Small General-purpose Relay
Environmental Characteristics
| No. | Parameter | Environmental Specification | ||||
| 1 | Quality Grade | Ⓙ, G | GJB | J/K | ||
| II | IV | |||||
| 2 | Temperature Range | (℃) | -55~85 | -65~105 | ||
| 3 | Relative Humidity | (40±2) ℃, 90%~95% | ||||
| 4 | Low Pressure | (kPa) | 0.67~0.27 | 4.39 | ||
| 5 | Sinusoidal Vibration | (Hz) | 10~2000 | |||
| (m/s2) | 147 | 196 | ||||
| 6 | Random vibration | (m/s2)2/Hz | — | 20 | ||
| 7 | Shock | (m/s2) | 490 | 735 | ||
| 8 | Constant Acceleration | (m/s2) | 490 | 735 | ||
Main Characteristics
(The following table list GJB, J/K product indicators, other quality levels, please refer to their respective specifications)
| Contact Arrangement | 4PDT | Operating Time (ms) | ≤20 | ||
| Coil Power (W) | 2.9 | Release Time (ms) | ≤10 | ||
| Leak Rate (Pa.cm3/s) | ≤1×10-2 | Load Ratings | Resistive I | 20A, 28Vd.c. | |
| Contact Resistance(Ω) | Initial | ≤0.02 | Resistive II | 10A, 28V d.c. | |
| After Life | ≤0.1 | Inductive | 2A,28V d.c., 200 mH | ||
| Insulation Resistance (MΩ) | Normal | ≥10000(100Vd.c.) | electric motor | 1.5A, 28V d.c. | |
| High Temp./Humidity | ≥100(100Vd.c.) | Low level | 10~50 µA, 10mV~50mV | ||
| Dielectric Strength (50Hz) | Normal | ≥500 | Life Time (Cycles) |
Resistive I: 5×103 Resistive II: 5×104 |
|
| Low pressure | ≥350 | Overload rating | Resistive, 40A, 28V d.c. | ||
| Weight (g) | ≤105 | Failure rate | L level | ||
Electrical Specification (V d.c.)
| Specification No. | Coil Voltage | 25 ℃ | Overall Temperature Range | ||||
| Rating | Max. | Coil resistance
(1±10%) Ω |
Operating Voltage (max) | Release Voltage (min) | Operating Voltage (max) | Release Voltage
(min) |
|
| 015 | 15 | 17 | 70 | 9.5 | 1.2 | 12.5 | 0.5 |
| 028 | 28 | 30 | 270 | 18 | 2 | 24 | 1 |
Dimensions |
Circuit Diagram |
Resistive Load Diagram |
 Mounting Style C (2)
Note:
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Order Mark
- GJB standard products:
J2888/RY20010-028 L/25 4JG-4A
| J | 2888 | / | RY20010 | – | 028 | L | / | 2 | 5 | 4JG-4A |
| Military sign | General specification No. | Detailed specification No. | Coil voltage | Failure rate | Mounting style | Terminal form | Product number |
Detailed specification: Q/RY20010-2002
- J/K grade products:
J2888/RY20053-028 L/25 4JG-4A
| J | 2888 | / | RY20053 | – | 028 | L | / | 2 | 5 | 4JG-4A |
| Military sign | General specification No. | Detailed specification No. | Coil voltage | Failure rate | Mounting style | Terminal form | Product number |
Detailed specification: Q/RY20053-2003
- G grade military product：
4JG-4A/II28 C
| 4JG-4A | / | II | 28 | C |
| Product number | Environmental rating | Coil voltage | Mounting style |
Detailed specification: Q/RYJ0113A-2000
