4JB5 3

4JB5-3

4JB5-3 Space & MIL-Spec Relay

4JB5-3 is one of the 2/5 cubic inch series. Its function, performance, dimensions, installation and terminal form are according to the China national military standards. Can be used for switching circuits and transmission signals for aerospace, aviation and ground equipment.

Category: Magnetic Latching Relay

Description

4JB5-3 Magnetic Latching Relays

Environmental Characteristics

No.	Parameter		Environmental Specification
1	Quality Grade		Ⓙ, G
1	Quality Grade		II	IV
2	Temp. Range	(°C)	-55~85
3	Relative Humidity		40℃,90%~95%
4	Low Pressure	(KPa)	0.67~0.27
5	Sinusoidal Vibration	(Hz)	10~2000
5	Sinusoidal Vibration	(m/s²)	147	196
6	Random vibration	(m/s²)/Hz	10	20
7	Shock	(m/s²)	490	735
8	Constant Acceleration	(m/s²)	490	735

Main Characteristics

Contact arrangement		4 PDT	Operate Time (ms)		≤20
Coil Power (W)		1.3	Release Time (ms)		——
Leak Rate (Pa.cm³/s)		≤1×10^-2	Load Ratings	Resistance	28 Vd.c., 5A
Contact Resistance (Ω)	Initial	≤0.05
	After life	≤0.1		Low Level	10μA~50μA, 10mV~50mV
Insulation Resistance (MΩ)	Normal	≥500(500Vd.c.)
	High Temp./ Humidity	≥10(500Vd.c.)	Life Ratings		5×10⁴ Cycles
Dielectric Strength (50Hz)	Normal	500 Vr.m.s.
	Low Pressure	250 Vr.m.s.
Weight (g)	≤32		Reliability Grade		——

Electrical Specification

Specification No.	Coil Voltage Vd.c.	25 ℃			Overall temperature range
Specification No.	Normal	Coil Resistance (1±10%) Ω	Pick-up Voltage Max./ Vd.c	Drop-out Voltage Min./ Vd.c.	Pick-up voltage Max. / Vd.c	Drop-out Voltage Min./ Vd.c.
024	24	600	16	——	20	——
028	28	600	18	——	24	——

Dimensions

Mounting Style: A (0)	Mounting Style: B (3)	Mounting Style: C (2)
Note: Vibration sensitive direction: Vertical

Circuit Diagram	Resistive Load Diagram

Order Mark

Example: 4JB5-3 /IV 28 C

4JB5-3	/	IV	28	C
Product Number		Environmental rating	Coil voltage	Mounting style

Detailed specification: Q/RYJ0160-2000