4JRB-4 Miniature Magnetic Latching Relays
Environmental Characteristics
No | Parameter | Environmental Specification | ||
1 | Quality Grade | Ⓙ, (G) | ||
II | IV | |||
2 | Temperature Range | (℃) | -55~85 | |
3 | Relative Humidity | (40±2) ℃, 90%~95% | ||
4 | Low Pressure | (kPa) | 0.67~0.13 | |
5 | Sinusoidal Vibration | (Hz) | 10~2000 | |
(m/s2) | 147 | 196 | ||
6 | Random Vibration | ((m/s2)2/Hz) | – | |
7 | Shock | (m/s2) | 490 | 735 |
8 | Constant Acceleration | (m/s2) | 490 | 735 |
Main Characteristics
Contact Arrangement | 4PDT | Operating Time (ms) | ≤15 | ||
Coil Power(W) | ≤0.64 | Release Time (ms) | – | ||
Leak Rate (Pa.cm3/s) | ≤1×10-2 | Load Ratings | Resistive | 3A,28Vd.c. | |
Contact Resistance (Ω) | Initial | ≤0.05 | |||
After Life | ≤0.1 | Life Time (Cycles) | 1×104 | ||
Insulation Resistance (MΩ) | Normal | ≥500(500Vd.c.) | Overload Rating |
Resistive,6A,28Vd.c. 100 cycles |
|
High Temp./ Humidity | ≥10(500Vd.c.) | ||||
Dielectric Strength (50Hz) | Normal | 500 Vr.m.s | Weight(g) | ≤32 | |
Low pressure | 200 Vr.m.s |
Electrical Specification
(The values in parentheses in the table are G grade product)
Coil Voltage | 25℃ | Overall Temperature Range | |||
Normal | Coil resistance (Ω)
(1±10%) Ω |
Operating voltage (max) | Release Voltage (min) | Operating voltage (max) | Release Voltage (min) |
12 | 225 | 8.0 | – | 10.5 | – |
20 | 625 | 13.0 | – | 18.0 | – |
28 | 1350 | 18.0 | – | 24.0 | – |
Dimensions |
||
Mounting Style B(3) | Mounting Style C (2) | Mounting Style A(0) |
Note: Vibration sensitive direction: Horizontal |
Circuit Diagram |
Resistive Load Diagram |
Order Mark
- G and J grade product:
Example: (J)4JRB-4/II 28 C
4JRB-4 | / | II | 28 | C |
Product number | Environmental rating | Coil voltage | Mounting style |