2JB5-1 Magnetic Latching Relays
Environmental Characteristics
| No. | Parameter | Environmental Specification | |||
| 1 | Quality Grade | Ⓙ, (G) | CAST | GJB | |
| Ⅳ | |||||
| 2 | Temperature Range | (℃) | -55~85 | -65~125 | -65~125 | 
| 3 | Relative Humidity | (40±2) ℃, 90%~95% | — | ||
| 4 | Low Pressure | (kPa) | 4.39 | ||
| 5 | Sinusoidal Vibration | (Hz) | 10~2000 | 10~2000 | 10~3000 | 
| (m/s2) | 196 | 196 | 294 | ||
| 6 | Random Vibration | (m/s2)2/Hz | 20 | 20 | 40 | 
| 7 | Shock | (m/s2) | 735 | 735 | 1960 | 
| 8 | Acceleration | (m/s2) | 735 | 735 | 490 | 
Main Characteristics
| Contact arrangement | DPDT | Operating Time(ms) | ≤5.0 | ||
| Coil Power (W) | 1.07 | Release Time(ms) | ≤5.0 | ||
| Leak Rate (Pa.cm3/s) | ≤1×10-3 | Load Ratings | Resistive | 5A,28 Vd.c. | |
| Contact Resistance(Ω) | Initial | ≤0.05 | Inductive | 3A,28 Vd.c.,60mH | |
| After Life | ≤0.15 | Lamp | 1A,28 Vd.c. | ||
| Insulation Resistance (MΩ) | 25 ℃ | ≥500(500Vd.c.) | Motor | 2A,28 Vd.c | |
| 125℃ | ≥10(500Vd.c.) | Low Level | 10µA~50µA,10mV~50mV | ||
| Dielectric Strength (50Hz) | Normal | 1000 Vr.m.s | |||
| Low pressure | 250 Vr.m.s | Overload Rating | Resistive,20A,28V d.c. 50 cycles | ||
| Weight(g) | ≤25 | Life Time (Cycles) | 1×105 | ||
| Failure Rate | – | ||||
Electrical Specification
(The values in parentheses in the table are G grade product)
| 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) | |
| 006 | 6 | 7.3 | 30 (40) | 3.6 | – | 5.1 | – | 
| 012 | 12 | 14.5 | 130 (160) | 7.2 | – | 10.2 | – | 
| 028 | 28 | 32 | 730 | 18 | – | 24 | – | 
| Dimensions | |
|  |  | 
| Mounting Style: B(3) | Mounting Style: C(2) | 
| Vibration sensitive direction: Vertical | |
| Circuit Diagram | Resistive Load Diagram | 
|  |  | 
Order Mark
- CAST Grade product
Example: 2JB15-1 – /28 – B CAST C-//2007-08 技协
| 2JB15-1 | -/ | 28 | – | B | CAST C-//2007-08 技协 | 
| Product Model | Coil Voltage | Mounting Style | Quality Level | 
Purchase Specifications: CASTPS06/031 -2006
- G and Ⓙ Grade product
Example: 2JB15-1 /IV 28 C
| 2JB15-1 | / | IV | 28 | C | 
| Product Model | Environmental Rating | Coil Voltage | Mounting Style | 
Detailed Specifications: RY4.506.005JT





