Model Number

493(0.5A,DPDT),794(3A,DPDT)

 http://www.ec21.com/co/q/qunlirelay/upfile/Jmw-1MA.pdf

http://www.ec21.com/co/q/qunlirelay/upfile/Jmw-3M.pdf

JMW-1MA (493) Latching TO-5 Minigrid Hermetically Sealed Relay 

ENVIRONMENTAL CONDITIONS:
Temperature range:-55~+85C  
Relative Humidity:98% at +40C  
Atmospheric pressure:Normal 86~106kPa,  Low pressure4.4kPa
Shock:735m/s2
Vibration:10~2000Hz,196m/s2
Liner Acceleration:490 m/s2

TECHNICAL DATA:
Contact arrangement:2 Form C (DPDT)
Coil Voltage:3~24VDC
Coil dissipation: 0.3W
Insulation resistance:500Mohm
Dielectric withstanding voltage (RMS/50Hz):300Vr.m.s.
Contact resistance: 0.05ohm(before life)
Operate time: 2ms
Contact ratings: 0.5A28VDC    resistance ;
Electrical life: 1x105  Operations
Leakage rate: 1x10-1 Pa.cm3 /s
Dimensions:8.5x10.5x10mm
Weight:3.5g

Ordering Information:
JMW-1MA/ RG4.536.083
        1                 2          
1. Model
2. Part No

JMW-3M (794) Latching TO-5 Minigrid Hermetically Sealed Relay 

ENVIRONMENTAL CONDITIONS:
Temperature range: -65~125°C
Relative Humidity:98% at +40°C
Atmospheric pressure: Normal 86~107kPa,  Low pressure4.4kPa
Shock: 735m/ s2 (100g)
Vibration: 10~2000Hz, 196m/s2
                  10~3000Hz, 294m/s2

TECHNICAL DATA:
Contact arrangement: 2 Form C (DPDT)
Coil Voltage: 6~24VDC
Coil dissipation:0.48W
Insulation resistance: 1000Mohm
Dielectric withstanding voltage (RMS/50Hz):  500Vr.m.s.
Contact resistance: 0.05ohm(before life)
Operate time: 4ms
Bounce time: 2ms
Contact ratings:3A20VDC( resistive)  
Electrical life: 5  x 103    Operations
Leakage rate: 1  x 10-3 Pa.cm3  /s
Dimensions: 10 x 10 x 11mm
Weight: 5g
Approved by standards:GJB1042-90

Ordering Information:
JMW-3M/ 012   -  0  -     1
               1       2         3
1. Part No
2. Mounting style:
3. Terminals