2JT40-2 Hermetic Electromagnetic Relay

  • The product has the characteristics of small size, light weight and large switching power. It can be used for satellite equipment, spacecraft, rockets, missiles, aviation and other military equipment and ground equipment automatic control systems.

Description

2JT40-2 Sealed Electromagnetic Relay

Environmental Characteristics

No. Parameter Environmental Specification
1 Quality Grade G J/K
2 Temperature Range (℃) -55~125 -65~125
3 Relative Humidity (40±2) ℃, 90%~95%
4 Low Pressure (kPa) 4.39
5 Sinusoidal Vibration (Hz) 10~2000
(m/s2) 150 200
6 Random vibration (m/s2)2/Hz 10 20
7 Shock (m/s2) 750 750
8 Constant Acceleration (m/s2) 750 750

 

Main Characteristics

Contact Arrangement 2 groups N.O. Operating Time (ms) ≤25
Coil Power (W) 3.01 Release Time (ms) ≤25
Leak Rate (Pa.cm3/s) ≤1×10-3 Load Ratings Resistive 40A,28V d.c.
Contact Resistance(Ω) Initial ≤0.05 Inductive 4A, 28V d.c., 30mH
After Life ≤0.15 Lamp 1A, 28V d.c.
Insulation Resistance (MΩ) Normal ≥1000(100Vd.c.) Electric Motor 2A, 28V d.c.
High Temp./Humidity ≥100(100Vd.c.) Low level 10μA~50μA, 10mV~50mV

Dielectric Strength

(50Hz)

Normal ≥500
Low pressure ≥250 Life Time (Cycles) 1×104
Weight (g) ≤75 Overload rating Resistive, 60A, 28V d.c.
Failure rate

 

Electrical Specification (V d.c.)

Specification No. Coil Voltage 25℃ Overall Temperature Range
Normal Max Coil resistance

(1±10%) Ω

Operating Voltage (max) Release Voltage (min) Operating Voltage (max) Release Voltage (min)
028 28 34 260 18 2 24 1

 

Dimensions Circuit Diagram Resistive Load Diagram

 

Order Mark

  • G grade product:

Example: 2JT40-2-28C

2JT40-2 28 C
Product number Coil voltage Mounting style

Detailed specification: Q/RYJ01158-2009

 

  • J/K+ grade product:

Example: J2888 /RY20085 -028/2 5 2JT40-2

J 2888 / RY20085 028 / 2 5 2JT40-2
Military sign General specification Detailed specification No. Coil voltage Mounting style Terminal type Product number

Detailed specification: Q/RY20085-2009