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Two Changeover Electromagnetic Direct Current Relay

Two Changeover Electromagnetic Direct Current Relay
Two Changeover Electromagnetic Direct Current Relay
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Product Code : РК30
Product Description

Neutral Electromagnetic Relay

  • Hermetically sealed electromagnetic direct current relay with two changeover contacts.
  • It is applied to switch electric circuits of double current with frequency from 50 Hz to 1100 Hz in electronic automatic telephone stations МТ-20 type or in similar ones.
  • Suitable for point-point wiring and printed circuit wiring.
  • It switches current from 0.04 А to 1.25 А.
  • Relay max mass 10 g.
  • Technical specifications RF4.500.473 ТU.
  • Minimum term of service: 15 years.

Technical data and operating factors

  • Power supply voltage: according to the table.1.
  • Switching modes: according to the table.2.
  • Contacts resistance: ≤1.5 Ohm .
  • Action time: max 6 msec.
  • Release time: max 3 msec.
  • Insulation resistance:: between current-carrying circuits, between current-carrying circuits and body frame:
    • 200 Mohm - under average climatic conditions;
    • 50 Mohm - at max temperature;
    • 10 Mohm - at high humidity;
  • Between coil and body frame; 5 Mohm - at high humidity.
  • Insulation strength: (effective value)
  • between current-carrying circuits, between current-carrying circuits and body frame: 500 V - under average climatic conditions;
    • 350 V - at high humidity;
    • 260 V - at reduced air pressure; between current-carrying circuits
    • 350 V - under average climatic conditions;
  • Vibration stability: from 10 to 50 Hz with amplitude up to1 mm; from above 50 to 80 Hz with acceleration to100 m/s2(10g).
  • Impact resistance: to 100g.
  • Environmental temperature: from 253К (-20oС) to 343К (+70oС).
  • Relative humidity: to 98% at 308К ( +35oС )
  • Air pressure: from 53·103 Pа ( 400 mm of mercury) to 107·103 Pa (800 mm of mercury )

Main Electrical Data :

Design

Operating

voltage, V

Action voltage at 298К (+25oС), V, max

Coil resistance at 298К (+25oС), Оhm

RF4.500.473-00.

RF4.500.473-01.

RF4.500.473-02.

RF4.500.473-03.

RF4.500.473-04.

RF4.500.473-05.

60 + 6

24 + 2.4

5 + 0.5

12 + 1.2

16 + 1.6

24 + 2.4

10

21

90

42

22

9.6

3200 + 320

650 + 97- 65

32 + 4.8- 3.2

165 + 16.5- 8.2

500 + 25- 95

1800 + 180


Switching modes

Switching range

Type of Load

Kind of Current

Switching frequency Hz, max

Number of switching cycles. max

Current, A

Voltage, V

At average temperature

Also at 358k (+85oC)

0.3 - 0.8

0.05 - 0.2

0.1 - 0.4

0.3 - 1.25

0.04 - 0.15

0.2 - 0.5

0.2 - 0.5*

0.001 - 0.05

0.5 - 0.8**

0.02 - 0.1

6 - 24

40 - 150

30 - 125

10 - 40

30 - 70

150 - 220

150 - 220

20 - 100

150 - 220

40 - 120

act.

act.

act.

act.

act.

act.

act.

cosφ≥0.3

cosφ≥0.5

act.

direct

direct

alternating

alternating

direct

direct

direct.

Altern.,100kHz

alternating

direct

0.33

0.33

0.33

0.33

0.33

0.33

0.33

0.33

0.1

0.33

5·105

1.5·105

106

5·105

106

104

104`

5·104

105

104

104

104

104

104

104

103

103

104

-

5·103


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