TRK 18
Bistable Power
Relay
Irel Iskra Relays
- Coil energizing by DC voltage impulse
- Independent from coil voltage failure
- Contact switching current 7A or 10A
- Ambient temperature up to +70°C
- Washable version Qc/2
- Extinguishable casing V-0
- UL approval
Technical data
Characteristics
- Contact Form: 1 Change - Over, 1 Make, 1Break
- Rated Current: 7A and 10A
- Contact Material: 7A AgNi10
10A AgCdO, AgSnO2 (by special agreement) - Max. Operating Voltage: 250VAC, 60VDC (see diagram)
- Max. Switching Power: 7A 1750VA 170W - 10A 2500VA 240W
- Min. Switching Load: 5VDC 10mA
- Contact Resistance: ≤ 100 mΩ - 5V 100 mA (New relay)
- Max. Operating Frequency:
7A 600 operations/h rated load 36000 operations/h min. load
10A 360 operations/h rated load 36000 operations/h min. load - Capacitance cont-cont: < 1,5 pF
- Mechanical Life: > 2x107 operations
- Electrical Life: See diagram
- Rated Power: 0,9W to 1,4W
- Max. Coil Temperature: 155°C
- Thermal Coil Resistance: abt. 115 K / W
- Operate Voltage: Uop ≤ 75% Un (cold coil)
- Nonrelease Voltage: Unr ≥ 3% (-Un)
- Release Voltage: Ure ˜ 25% (-Un), max 45% (-Un)
- Operative Range: class 1, IEC61810-1
- Test Voltage (1 min.): contact-coil ≥ 4 or 2 kVrms 50 Hz
contact-contact ≥ 1 kVrms 50 Hz - Rated Impulse Voltage (1,2/50 µs): ≥ 5 kVIMV (contact-coil)
- Overvoltage Category: III, IEC 60664-1
- Degree of Pollution: 2, IEC 60664-1
- Operate Time at Un: abt. 5 ms
- Release Time: abt. 6 ms
- Bouncing Time: abt. 5 ms make abt. 10 ms break
- Insulation Resistance (500 VDC): > 103 MΩ
- Vibration Resistance (10-200Hz): 10 gn
- Shock Resistance (11 ms): functional 10 gn destructive 100 gn
- Ambient Temperature: operating -40°C/+70°C,
storage -40°C/+85°C - Protection Degree: IP 67, IEC 529
- Seal Test (1min): Qc/2, IEC 60068-2-17
- Case Extinguishing: V-0, UL 94
- Mounting Position: optional
- Relay Weight: abt. 8 g
Coil data at 20 °C
| Coil Rated Voltage | Coil Resistance | Operative Voltage Range | Release Resistor E12/0.5W | ||
|---|---|---|---|---|---|
| Must Operate | UMAX | Must Release | |||
| Un (VDC) | Rn(Ω) ±10% | Uop ≤ (VDC) | (VDC) | Ure ˜ (VDC) | R(Ω) ±5% |
| 3 | 8 | 2.2 | 3.1 | -0.75 | 15 |
| 5 | 22 | 3.7 | 5.2 | -1.25 | 47 |
| 6 | 33 | 4.5 | 6.3 | -1.50 | 68 |
| 9 | 74 | 6.7 | 9.5 | -2.25 | 150 |
| 12 | 119 | 9.0 | 12 | -3.0 | 330 |
| 16 | 188 | 12.0 | 16 | -4.0 | 560 |
| 18 | 280 | 13.5 | 18 | -4.5 | 820 |
| 24 | 475 | 18.0 | 24 | -6.0 | 1000 |
| 36 | 1050 | 27.0 | 36 | -9.0 | 2000 |
| 48 | 1750 | 36.0 | 48 | -12.0 | 3900 |
| 60 | 2750 | 45.0 | 60 | -15.0 | 6800 |