2JT40-2 Sealed Electromagnetic Relay
Environmental Characteristics
| No. | Parameter | Environmental Specification | ||
| 1 | Quality Grade | G | J/K | |
| 2 | Temperature Range | (℃) | -55~125 | -65~125 |
| 3 | Relative Humidity | (40±2) ℃, 90%~95% | ||
| 4 | Low Pressure | (kPa) | 4.39 | |
| 5 | Sinusoidal Vibration | (Hz) | 10~2000 | |
| (m/s2) | 150 | 200 | ||
| 6 | Random vibration | (m/s2)2/Hz | 10 | 20 |
| 7 | Shock | (m/s2) | 750 | 750 |
| 8 | Constant Acceleration | (m/s2) | 750 | 750 |
Main Characteristics
| Contact Arrangement | 2 groups N.O. | Operating Time (ms) | ≤25 | ||
| Coil Power (W) | 3.01 | Release Time (ms) | ≤25 | ||
| Leak Rate (Pa.cm3/s) | ≤1×10-3 | Load Ratings | Resistive | 40A,28V d.c. | |
| Contact Resistance(Ω) | Initial | ≤0.05 | Inductive | 4A, 28V d.c., 30mH | |
| After Life | ≤0.15 | Lamp | 1A, 28V d.c. | ||
| Insulation Resistance (MΩ) | Normal | ≥1000(100Vd.c.) | Electric Motor | 2A, 28V d.c. | |
| High Temp./Humidity | ≥100(100Vd.c.) | Low level | 10μA~50μA, 10mV~50mV | ||
|
Dielectric Strength (50Hz) |
Normal | ≥500 | |||
| Low pressure | ≥250 | Life Time (Cycles) | 1×104 | ||
| Weight (g) | ≤75 | Overload rating | Resistive, 60A, 28V d.c. | ||
| Failure rate | — | ||||
Electrical Specification (V d.c.)
| Specification No. | Coil Voltage | 25℃ | Overall Temperature Range | ||||
| Normal | Max | Coil resistance
(1±10%) Ω |
Operating Voltage (max) | Release Voltage (min) | Operating Voltage (max) | Release Voltage (min) | |
| 028 | 28 | 34 | 260 | 18 | 2 | 24 | 1 |
Dimensions |
Circuit Diagram |
Resistive Load Diagram |
 |
 |
 |
Order Mark
- G grade product:
Example: 2JT40-2-28C
| 2JT40-2 | – | 28 | C |
| Product number | Coil voltage | Mounting style |
Detailed specification: Q/RYJ01158-2009
- J/K+ grade product:
Example: J2888 /RY20085 -028/2 5 2JT40-2
| J | 2888 | / | RY20085 | – | 028 | / | 2 | 5 | 2JT40-2 |
| Military sign | General specification | Detailed specification No. | Coil voltage | Mounting style | Terminal type | Product number |
Detailed specification: Q/RY20085-2009
