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Two Changeover Electromagnetic Direct Current Relay
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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