* Pictures are placed for illustration purpose only. Appearance of real component may differ.
Sealed DC relay with one switching or NO contact. Relay is designed for DC and AC (50-1100 Hz) circuits. PCB mounting allowed.
Mass not more than 10 g.
Technical requirement version RF4.500.478 TU
Technical parameters
| Contact resistance, not more than, Ohm | 1.4 |
| Pick-up time, not more than, ms | 7.5 |
| Pick-up bouncing time, not more than, ms | 1.5 |
| Drop-out time, not more than, ms | 2 |
| Drop-out bouncing time, not more than, ms | 4 |
| Insulation resistance between live parts, between live parts and case, MOhm in normal conditions at maximum temperature at increased humidity | 200 20 10 |
| Insulation resistance between coil and case, between coil and contacts, at increased humidity, MOhm | 10 |
| Insulation strength, V in normal conditions at increased humidity at diminished air pressure | 500 300 170 |
| Vibration resistance frequency, Hz amplitude, mm frequency, Hz amplitude, mm frequency, Hz acceleration, m/s2(g) | 5..20 2.5 20..50 1.5 50..3000 150 (15) |
| Mechanical impact acceleration, g | 35 |
| Ambient air temperature, K (oC) | 213..373 (-60..+100) |
| Relative humidity at 308 K (+35 oC) | 98% |
| Air pressure, Pa (mmHg) | 1.33·10-6..305900 (10-6..2300) |
Electrical parameters
| Version | Current, mA | Voltage, V | Pick-up current at 298 K (+25 oC), not more than, mA | Coil resistance at 298 K (+25 oC), Ohm |
| RF4.500.478-01 | 10±0.5 | - | 8 | 4200±840 |
| RF4.500.478-04 | - | 6±0.6 | 135 / 75 | 13+1/-1.5 / 45±6.75 |
Switching modes
| Current, A | Voltage, V | Load type | Current type | Number of switching cycles (thousands), not more than | |
| In normal conditions | At 373 K (+100 oС) | ||||
| 0.5..1 | 6..34 | τ≤15 ms | DC | 10 | 2.5 |
| 0.01..0.1 | 20..34 | noninductive | DC | 100 | 25 |
| 0.1..2 | 6..30 | noninductive | DC | 10 | 25 |
| 0.1..0.3 | 6..250 | noninductive | DC | 100 | 25 |
| 0.2..0.5 | 6..115 (effective) | noninductive | AC 50-1100 Hz | 100 | 25 |
| 10-6..10-3 | 0.01..5 | noninductive | DC | 5000 | 900 |
| 10-3..0.05 | 2..10 | noninductive | DC | 100 | 250 |
| 5?10-3..0.1 | 6..34 | noninductive | DC | 100 | 25 |
| 0.25..0.15 | 6..30 | τ≤15 ms | DC | 50 | 12.5 |
| 0.1..0.05 | 10..60 | noninductive | DC | 50 | 12.5 |
| 10-6..10-3 | 0.01..5 | noninductive | DC | 500 | 500 |
| 0.1..0.25 | 6..115 (effective) | cos ø≥0.3 | AC 50-1100 Hz | 40 | 10 |
You can order REK-43 RF4.500.478-0301 from us
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