2JS12-1

2JS12-1 Space & MIL-Spec Time Delay Relay

This product is a standard type 1 (action delay) hybrid delay relay, with the advantages of small volume, wide voltage range of application, resistant to harsh environment, resistance to transient and instantaneous power failure of power supply. Within the prescribed temperature range, it has the advantage of delay stability and high accuracy. This product is available for time control sequences in aerospace, aviation and ground equipment.

2JS₁2-1 Hybrid delay Relays

No.	Item	Environmental Characteristics
1	Ambient temperature	-55 °C ~ 85 °C
2	Low air pressure	0.67 kPa ~ 0.27 kPa
3	Relative humidity	40°C±2°C, 90%～95%
4	Sinusoidal vibration	10 ~2000 Hz, 147 m/s²
5	Shock	490 m/s², 6ms
6	Constant acceleration	490 m/s²
Order mark		RY4.546.019JT: 2JS₁2-1/28 C Note: The accuracy of the delay and the mounting style should be stated when ordering.

Delay type	Type 1 (action delay)	life	1 × 10⁴ times or 50h
Rated operating voltage	28 Vd.c.	Contact resistance	≤0.05 Ω before life ≤0.10 Ω after life
Operating voltage range	24Vd.c.~32Vd.c.	Insulation resistance	≥100MΩ, 250Vd.c
Input current	≤50mA	Dielectric withstand voltage	50 Hz, 500Vr.m.s., 60s, 1mA
Delay range	0.1~500s (expandable)	Leak rate	≤5×10^-1 Pa.cm³/s
Delay accuracy	±2%(T＞1s) ±5% (0.1s≤T≤1s)	Weight	A(0)≤25g B(3), C(2), C1(1)≤30g
Recycling Time	≥500ms	Dimensions	25mm× 15mm×22.5mm
Rated load	28 Vd.c., 2A (resistive)	Mounting style	A(0), B(3), C(2), C1(1)
Output form	DPDT

Mechanical drawings

Mounting Style A (0)	Mounting Style B (3)	Mounting Style C1 (1)	Mounting Style C (2)
Note Vibration sensitive direction: Horizontal