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Neutral Electromagnetic Relay

Neutral Electromagnetic Relay
Neutral Electromagnetic 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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