3JB20-3 Miniature Magnetic Latching Relay
Environmental Characteristics
| No. | Parameter | Environmental Specification | ||||
| 1 | Quality Grade | Ⓙ, (G) | GJB | Aerospace
(CAST) |
||
| II | Ⅳ | |||||
| 2 | Temperature Range | (℃) | -55～125 | -65～125 | ||
| 3 | Relative Humidity | (40±2) ℃, 90%～95% | ||||
| 4 | Low Pressure | (kPa) | 0.67～0.27 | 0.67～0.13 | ||
| 5 | Sinusoidal Vibration | (Hz) | 10～2000 | |||
| (m/s2) | 147 | 196 | ||||
| 6 | Random Vibration | (m/s2)2/Hz | 30 | |||
| 7 | Shock | (m/s2) | 490 | 735 | 1960 | |
| 8 | Acceleration | (m/s2) | 490 | 735 | ||
Main Characteristics
(The following table list GJB product indicators, other quality levels, please refer to their respective specifications)
| Contact arrangement | 3PDT | Operating Time(ms) | ≤10 | ||
| Coil Power (W) | 2.9 | Release Time(ms) | |||
| Leak Rate (Pa.cm3/s) | ≤1×10-3 | Load Ratings | Resistive | 15A, 28 Vd.c. | |
| Contact Resistance(Ω) | Initial | ≤0.01 | Inductive | 7A, 28 Vd.c. | |
| After Life | ≤0.012 | Lamp | 3A, 28 Vd.c. | ||
| Insulation
Resistance (MΩ) |
Normal | ≥500(500Vd.c.) | Motor | 6A, 28 Vd.c | |
| High Temp./Humidity | ≥50(500Vd.c.) | Overload Rating | Resistive, 60A, 28V d.c. | ||
| Dielectric
Strength (50Hz) |
Normal | 1050 Vr.m.s | |||
| Low pressure | 500 Vr.m.s | Life Time (Cycles) | 1×105 | ||
| Weight(g) | ≤70 | Failure Rate | Y level | ||
Electrical Specification (Vd.c.)
| No. | Coil Voltage | 25℃ | Overall temperature range | ||||
| Normal | Max | Coil resistance
(1±10%) Ω |
Pick-up Voltage
max |
Drop-out Voltage
(min) |
Pick-up Voltage
max |
Drop-out Voltage (min) |
|
| 028 | 28 | 31 | 270 | 18 | — | 23 | — |
Dimensions |
|
 |
 |
| Mounting Style: C (2) | Mounting Style: B (3) |
| Note: Vibration sensitive direction: Vertical | |
Circuit Diagram |
Resistive Load Diagram |
 |
 |
Order Mark
- GJB standard product:
Example: J1461-92/ Q/RY20002-99-028Y/C3 3JB20-3
| J | 1461-92 | / | Q/RY20002-99 | – | 028 | Y | / | C | 3 | 3JB20-3 |
| Military sign | General specification | Detailed specification No. | Coil voltage | Failure rate | Mounting style | Terminal type | Product number |
Detailed specification: Q/RY20002-1999
- CAST grade product:
Example: J1461/ Q/RY20002-99-028 Y/C3 3JB20-3
| J | 1461 | / | Q/RY20002-99 | – | 028 | Y | / | C | 3 | 3JB20-3 |
| Military sign | General specification | Detailed specification No. | Coil voltage | Failure rate | Mounting style | Terminal type | Product number |
Detailed specification: CASTPS06/032-2006
- G grade product:
Example: 3JB20-3/II28 C
| 3JB20-3 | / | II | 28 | C |
| Product number | Environmental rating | Coil voltage | Mounting style |
Detailed specification: Q/RYJ0186-2004
