Cookie Img
Home » Products » Electromagnetic Relay » Two Changeover Electromagnetic Direct Current Relay With

Two Changeover Electromagnetic Direct Current Relay With

Two Changeover Electromagnetic Direct Current Relay With
Two Changeover Electromagnetic Direct Current Relay With
Send Inquiry
Product Code : РК37
Product Description

Neutral electromagnetic relay

  • Hermetically sealed electromagnetic direct current relay with two changeover contacts.
  • Suitable for double current electric circuits switching.
  • Switches current from 10-6 А to 1 А.
  • Relay max mass 3.5 g.
  • Technical specifications RF4.500.477 TU
  • Minimum term of service : 25 years.

Technical data and operating factors

  • Power supply voltage : According to the table.1.
  • Switching modes : According to the table.2.
  • Contacts resistance:
    • ≤0.5 Ohm - Au99.99.
    • ≤1.4 Ohm - AgMgNi99.
  • Action time : max 3.5 msec
  • Bounce time at action : max 1.5 msec
  • Release time : max 2 msec
  • Bounce time at release : max 0.5 msec
  • Insulation resistance: between current-carrying circuits, between current-carrying circuits and body frame:
    • 200 Mohm - under average climatic conditions;
    • 20 Mohm - at max temperature;
    • 10 Mohm - at high humidity;
  • Between coil and body frame : 5 Mohm - at high humidity.
  • Insulation strength : between conducting parts and body frame : between current-carrying circuits and body frame : 300 V- under average climatic conditions;
    • 210 V - at high humidity;
    • 180 V - at reduced air pressure;
  • Vibration stability : from 5 to 20 Hz with amplitude up to 3 mm;
    • from above 20 to 50 Hz with amplitude of 1.5 mm;
    • from above 50 to 1500 Hz with acceleration up to 150 m/s2 (15g);
    • from above 1500 to 3000 Hz with acceleration to 200 m/s2 (20g).
  • Impact resistance : to 75g.
  • Environmental temperature : from 213К (-60oС) to 358К (+85oС).
  • Relative humidity : to 98% at 308К ( +35oС )
  • Air pressure : from 1.33·10-6 Pa ( 10-6 mm of mercury) to 305900 Pа (2300 mm of mercury)

Main Electrical Data

Design

Operating

voltage, V

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

Coil resistance at 298К (+25oС), Оhm

RF4.500.477-00, -10,-15, -21

RF4.500.477-01, -11,-16, -22

RF4.500.477-02, -12,-17, -23

RF4.500.477-03, -13,-18,-24

RF4.500.477-04, -14,-19,-25

RF4.500.477-20.

27 + 7- 4

18 + 2

12 + 4- 2

6 + 2- 1

4 + 0.5

5 + 0.5

19,3

13.0

7.9

4.1

2.7

3.6

1900 + 120 - 380

800 + 120

270 + 40

65 + 6.5- 10

36 + 3.6

145 + 10


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)

0.01 - 0.25

0.25 - 0.5

0.5 - 1

- 0.15

0.01 - 0.25

0.25 - 0.5

0.01 - 0.15

10-6 - 10-3

10-3 - 0.05

10-3 - 0.06

6 - 30

6 - 30

6 - 30

6 - 120 eff.

6 - 30

6 - 30

6 - 120 eff.

0.05 - 10

3 - 36

6 - 36

act.

act.

act.

act.

τ≤15 ms

τ≤15 ms

cosφ≥0.3

act.

act.

τ≤15 ms

direct

direct

direct

alternating 50-1100 Hz

Direct

direct

alternating 50-1100 Hz

direct

direct

direct

10

10

3

10

3

1

3

10

10

5

105

5·104

104

5·104

104

5·103

104

1.5·105

104

104

5·104

2.5·104

5·103

2.5·104

5·103

2.5·103

5·103

7.5·104

5·103

5·103


ALFACOM GROUP
X


ALFACOM GROUP All Rights Reserved.(Terms of Use)
Developed and Managed by Infocom Network Ltd.