OAO NPP “Start” » Products » Relays and Switches

RPS18

This is a low-current, electromagnetic, polarized, not hermetically sealed relay with one change-over contact, designed for switching DC electrical circuits;

manufactured in accordance to State standard 16121-86 and
ЯЛ0.452.088 ТУ for RPS 18/4 (two-position, bistable relay);
ЯЛ0.452.089 ТУ for RPS 18/5 (three-position, monostable relay)
ЯЛ0.452.090 ТУ for RPS 18/7 (two-position, monostable relay)

Environmental ratings: cold temperate and cold climate.
How to order: Relay R

PS 18/4 РС4.521.853 ЯЛ0.452.088 ТУ.

Technical Parameters

Table 1

Type	Models	Rated current strength mA	Coil resistance, Ohm	Operate current strength during relay location, mA		Release current strength during relay location, mA		Time, ms, not more
Type	Models	Rated current strength mA	Coil resistance, Ohm	Single in-line	Multiple in-line	Single in-line	Multiple in-line	Time, ms, not more
RPS 18/4	РС4.521.853	1,6-2,4	2500±500	0,4-0,8	0,25-1,2	-	-	10
RPS 18/4	РС4.521.855	4-6	275±55	1,2-2,4	0,8-3,4	-	-	10
RPS 18/5	РС4.521.852	27-33	6±1,2	6-14	4-21	1,5		5
	РС4.521.854	2,7-3,3	2500±500	0,6-1,4	0,4-2,1	0,2		10
	РС4.521.859	6,4-9,6	275±55	1-4	0,7-5,8	0,2		10
	РС4.521.860	1,6-2,4	12000±2400	0,3-0,9	0,2-1,3	0,1		10
RPS 18/7	РС4.521.851	1,3-2,4 (coil I and II) 5,2-9,6 (coil III)	12000±2400 4500±900	0,6-0,9 2,4-3,6	0,5-1,1 2-4,3	0,2-0,5 0,8-2	0,16-0,7 0,6-2,7	12 12
	РС4.521.856	2,9-4,2	2500±500	0,6-1,8	0,5-2,2	0,2-0,6	0,16-0,8	10
	РС4.521.857	8-12	275±55	2-5	1,6-6	0,3-1,5	0,24-2	10
	РС4.521.858	1,6-2,4 (coil I and II) 6,4-9,6 (coil III)	12000±2400 4500±900	0,6-1 2,4-4	0,5-1,2 2-4,8	0,2-0,5 0,8-2	0,16-0,7 0,6-2,7	12 12
	РС4.521.861	3,2-4,8	1600±320	1,2-2	1-2,4	0,5-0,85	0,4-1,2	12
	РС4.521.862	1,6-2,4	24000±4800	0,6-1	-	0,36-0,6	-	25

Technical Specifications

Table 2

Insulation resistance between electrical circuits and between electrical circuits and package, MOhm, not less: - at normal ambient temperature - at maximal temperature - in conditions of a higher humidity	200 20 10
Test voltage (effective value), V : - at a normal ambient temperature between electrical circuits and package - at a normal ambient temperature between contacts - in conditions of a higher humidity between electrical circuits and package - in conditions of a higher humidity between contacts - at atmospheric under-pressure between electrical circuits and package - at atmospheric under-pressure between contacts	500 350 300 210 150 150
Contact resistance, Ohm	1,5
Weight, g, not more	80

Switching Modes

Table 3

Type	Switching range		Current type	Form of load	Switching frequency , Hz, Not more	Number of switching cycles
	I, А	U, B				Number of switching cycles
	I, А	U, B				∑	t=80°С
RPS 18/4	0,2-0,3	6-34	const	Active	10	5•10⁵	1,25•10⁵
RPS 18/5	0,2-0,3	6-34	const	Active	10	5•10⁵	1,25•10⁵
RPS 18/7	0,2-0,3	6-34	const	Active	10	5•10_⁵	1,25•10⁵
RPS 18/4	0,1-0,15	6-34	const	Inductive t ≤ 15 мс	2	2,5•10⁵	6,25•10⁴

Schematic Circuit Diagramwitching

RPS18/4	RPS18/5	RPS18/7

Terminal Position	External and Mounting Dimensions

Operating Conditions

Table 4

Ambient temperature, °С	from minus 50 to plus 80
Atmospheric pressure, Pa, (mm of Mercury)	6,6·10²…2,02·10⁵ (5 …1,5·10³)
Relative humidity at 25 °С, %	to 98
Shock loads: - single shocks - multiple shocks	9 shocks with acceleration 1470 m/sec² (150g) 10000 shocks with acceleration 343 m/sec² (35g)
Linear loads	to 196 m/sec² (23g)
Vibration loads: RPS 18/4: - over 5 to 50Hz - over 50 to 600Hz RPS 18/5: - over 5 to 50Hz - over 50 to 250Hz - over 250 to 600Hz - при min Iраб в обмотке from250 to 600Hz RPS 18/7: - over 5 to 50Hz - over 50 to 600Hz	with amplitude to 0,5 мм with acceleration 24,5 m/sec²(2,5g) with amplitude to 1 мм with acceleration to 98 m/sec² (10g) ускорением to 19,6 m/sec² (2g) with acceleration to 98 m/sec²(10g) with amplitude 1 мм with acceleration to 49 m/sec²(5g)