4JT5-3 Small General-purpose Relay
Environmental Characteristics
| No. | Parameter | Environmental Specification | |||
| 1 | Quality Grade | Ⓙ, G | J/K | ||
| II | IV | ||||
| 2 | Temperature Range | (℃) | -55~85 | -55~125 | |
| 3 | Relative Humidity | (40±2) ℃, 90%~95% | |||
| 4 | Low Pressure | (kPa) | 0.67~0.27 | ||
| 5 | Sinusoidal Vibration | (Hz) | 10~2000 | ||
| (m/s2) | 147 | 196 | |||
| 6 | Random vibration | (m/s2)2/Hz | 10 | 30 | |
| 7 | Shock | (m/s2) | 490 | 735 | |
| 8 | Constant Acceleration | (m/s2) | 490 | 735 | |
Main Characteristics
(The following table list J/K product indicators, other quality levels, please refer to their respective specifications)
| Contact Arrangement | 4PDT | Operating Time (ms) | ≤8 | ||
| Coil Power (W) | 1.96 | Release Time (ms) | ≤8 | ||
| Leak Rate (Pa.cm3/s) | ≤1×10-2 | Load Ratings | Resistive | 5A, 28Vd.c. | |
| Contact Resistance (Ω) | Initial | ≤0.05 | Inductive | 0.75A, 28V d.c., 200mH | |
| After Life | ≤0.1 | Electric motor | 0.5A, 28V d.c. | ||
| Insulation Resistance (MΩ) | Normal | ≥10000 (100Vd.c.) | Low level |
10μA~50μA, 10mV~50mV |
|
| High Temp./Humidity | ≥100 (100Vd.c.) | Life Time (Cycles) | 5×104 | ||
| Dielectric Strength (50Hz) | Normal | ≥500 | Overload rating | Resistive, 20A, 28V d.c., | |
| Low pressure | ≥250 | Weight (g) | ≤35 | ||
Electrical Specification
| Specification No. | Coil Voltage | 25℃ | Overall Temperature Range | ||||
| Normal | Max | Coil resistance (Ω)
(1±5%) Ω |
Operating Voltage max | Release Voltage (min) | Operating Voltage max | Release Voltage (min) | |
| 06 | 6 | 8 | 18 | 3.5 | 0.5 | 5 | 0.1 |
| 012 | 12 | 14 | 70 | 7 | 0.8 | 10 | 0.3 |
| 028 | 28 | 32 | 400 | 18 | 2.5 | 24 | 1 |
Dimensions |
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| Mounting Style A(0) | Mounting Style B(3) | Mounting Style C(2) |
| Note: Vibration sensitive direction: Vertical | ||
Circuit Diagram |
Resistive Load Diagram |
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Order Mark
- J/K grade products:
Example: J2888/RY.J01123-028 / 2 1 4JT5-3
| J | 2888 | / | RY.J01123 | – | 028 | / | 2 | 1 | 4JT5-3 |
| Military sign | General specification No. | Detailed specification No. | Coil voltage | Mounting style | Terminal form | Product number |
Detailed specification： Q/RYJ01123-2007
- Military G grade products:
Example: 4JT5-3/II 28 C
| 4JT5-3 | / | II | 28 | C |
| Product number | Environmental rating | Coil voltage | Mounting style |
Detailed specification: RY4.500.013JT
