4JB2-2 Magnetic Latching Relays
Environmental Characteristics
| No. | Parameter | Environmental Specification | |||
| 1 | Quality Grade | Ⓙ, G | |||
| II | IV | Ⅴ | |||
| 2 | Temperature | (℃) | -55~85 | -65~125 | |
| 3 | Relative Humidity | (40±2) ℃, 90%~95% | |||
| 4 | Low Pressure | (KPa) | 0.67~0.27 | ||
| 5 | Sinusoidal vibration | (Hz) | 10~2000 | 10~3000 | |
| (m/s2) | 147 | 196 | 294 | ||
| 6 | Shock | ((m/s2)/Hz) | 490 | 735 | 980 |
| 7 | Constant Acceleration | (m/s2) | 490 | 735 | 980 |
Main Characteristics
| Contact arrangement | 4 PDT | Operate Time (ms) | ≤5 | ||
| Coil Power (W) | ≤0.52 | Release Time (ms) | – | ||
| Leak Rate(Pa.cm3/s) | ≤1×10-3 | Contact
Load |
Resistive | 2A,28Vd.c. | |
| Contact Resistance (Ω) | Initial | ≤0.05 | Low level | 10μA~50μA,
10mV~50mV |
|
| After life | ≤0.15 | Life cycle | 5×104 | ||
| Insulation resistance (MΩ) | Normal | ≥500 (500Vd.c.) | Overload rating |
Resistive,4A,28Vd.c., 100 cycles |
|
| High Temp./humidity | ≥10 (500Vd.c.) | ||||
| Dielectric withstand voltage (50Hz) | Normal | 500 Vr.m.s | Weight (g) | ≤12 | |
| Low pressure | 250 Vr.m.s | ||||
Electrical Specification
| Coil voltage | 25℃ | Overall Temperature range | |||
| Rating | Coil resistance (1±10%) Ω | Operating voltage (max.) | Release voltage (min.) | Operating voltage (max.) | Release voltage (min.) |
| 6 | 70 | 3.8 | – | 5.0 | – |
| 12 | 280 | 7.5 | – | 10.0 | – |
| 28 | 1500 | 18.0 | – | 23.0 | – |
Dimensions |
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| Mounting style: A (0) | Mounting style: B (3) | Mounting style: C (1) |
| Note: Vibration sensitive direction: Vertical | ||
Circuit Diagram |
Resistive Load Diagram |
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Order Mark
- Quality classic compliance with environmental rating
Example: 4JB2-2/IV28 B
| 4JB2-2 | / | IV | 28 | B |
| Product Number | Environmental level | Coil voltage | Mounting style |
- Quality level (not in accordance with environmental level)
Example: 4JB2-2-28 B
| 4JB2-2 | – | 28 | B |
| Product Number | Coil voltage | Mounting style |
Detailed specification: RY4.521.100JT
