2JB15-1 Hermetic Magnetic Latching Relays

  • The product is designed according to the aerospace industry relay series spectrum, featuring small size, light weight and large switching power. The technical indicators of the products are close to the international advanced level and are in a leading position in China. It can be used for self-control of satellites, spacecraft, missiles, ships and ground equipment.


2JB15-1 Sealed Magnetic Latching Relays

Environmental Characteristics

No Parameter Environmental Specification
1 Quality Grade Ⓙ, (G) CAST
2 Temperature Range (℃) -55~85
3 Relative Humidity (40±2) ℃,90%~95%
4 Low Pressure (kPa) 4.39
5 Sinusoidal Vibration (Hz) 10~2000
(m/s2) 147 196
6 Random Vibration ((m/s2)2/Hz) 20
7 Shock (m/s2) 490 735 980
8 Constant Acceleration (m/s2) 490 735


Main Characteristics

Contact Arrangement 2PDT Operating Time (ms) ≤15
Coil Power(W) 2.6 Release Time (ms)
Leak Rate (Pa.cm3/s) ≤1×10-3 Load Ratings Resistive 15A,28 Vd.c.
Contact Resistance(Ω) Initial ≤0.015 Low Level 10 µA~50µA,

10 mV~50mV

After Life ≤0.03 Life Time (Cycles) 2×104
Insulation Resistance (MΩ) Normal ≥500(500 Vd.c.) Overload Rating Resistive,30A, 28 Vd.c.
High Temp./Humidity ≥10(500 Vd.c.)
Dielectric Strength (50Hz) Normal 500 Vr.m.s Weight(g) ≤50
Low pressure 250 Vr.m.s


Electrical Specification (V d.c.)

No Coil Voltage 25℃ Overall Temperature Range
Normal Max Coil resistance (Ω)

(1±10%) Ω

Operating Voltage


Release Voltage


Operating Voltage


Release Voltage


028 28 29 320 18 23


2JB15 1 Dimensions Mounting Style B3 - 2JB15-1 Hermetic Magnetic Latching Relays 2JB15 1 Dimensions Mounting Style C2 - 2JB15-1 Hermetic Magnetic Latching Relays
Mounting Style: B (3) Mounting Style: C (2)
Note: Vibration sensitive direction: Vertical


Circuit Diagram Resistive Load Diagram
2JB15 1 Circuit Diagram - 2JB15-1 Hermetic Magnetic Latching Relays 2JB15 1 Resistive Load Diagram - 2JB15-1 Hermetic Magnetic Latching Relays


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