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Two Changeover Electromagnetic Direct Current Relay With
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 |
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