TBO ELECTRONICS TRA3 Power Relay
Product Usage Instructions
Coil Data
The relay coil has various rated voltages and currents for different operating conditions:
| Rated Voltage (VDC) | Rated Current (mA) | Max. Operate Voltage (VDC) | Min. Release Voltage (VDC) |
|---|
Safety Approved Ratings
The safety approved ratings include various parameters like coiling rating, contact rating, and more.
Ordering Information
To order the correct relay, refer to the following information:
- Type: TRA3
- Coil Power: D(0.72W) L(0.54W) M(0.24W)
- Coil Voltage: Various options from 03VDC to 48VDC
- Construction: Plastic sealed or flux proofed
- Contact Arrangement: Special Code (2H, 2Z, 2D)
POWER RELAY
- Creepage distance:8.0mm Min
- Au-clad contact available
- Transparent sealed available
- Class B/F available
- Conform to RoHS,ELV directive
CONTACT DATA
| Contact Arrangement | 2H/2Z |
| Contact Material | Silver Alloy |
| Load | Resistive load (cosФ=1) |
| Contact Ratings | 5A240VAC
5A 30VDC |
| Min. Contact Load | 100mA 5VDC |
| Max. Switching Voltage | 250VAC/30VDC |
| Max. Switching Current | 8A |
| Max. Switching Power | 1250VA/240W |
| Contact Resistance | ≤100mΩ (6VDC 1A) |
| Electrical Endurance | 1×105 OPS(at 6 OPS/min) 1×105 ( 6) |
| Mechanical Endurance | 5×106 OPS(at 300 OPS/min) 5×106次( 300) |
CHARACTERISTICS
| Insulation Resistance | 100MΩ Min. at 500VDC | |
| Dielectric Strength | Between Open Contacts | 1000VAC (50/60Hz 1 min) |
| Between Contacts and Coil | 5000VAC (50/60Hz 1 min) | |
| Operate Time | ≤20ms | |
| Release Time | ≤10ms | |
| Ambient Temperature | -40℃to+85℃ | |
| Shock Resistance | Functional : 10G | |
| Destructive : 100G | ||
| Vibration Resistance | 10~55Hz, 1.5mm DA | |
| Humidity | 40~85% | |
| Unit Weight | Approx. 14g 14 | |
COIL DATA (at 23℃)
| Rated Voltage (VDC) | 3 | 5 | 6 | 9 | 12 | 24 | 48 | 0.24W |
| Coil Resistance (Ω±10%) | 38 | 104 | 150 | 338 | 600 | 2400 | 9600 | |
| Rated Current (mA) | 80 | 48 | 40 | 26.7 | 20 | 10 | 5 | |
| Max. Operate Voltage (VDC) | 2.4 | 4 | 4.8 | 7.2 | 9.6 | 19.2 | 38.4 | |
| Min. Release Voltage (VDC) | 0.15 | 0.25 | 0.3 | 0.45 | 0.6 | 1.2 | 2.4 | |
| Coil Resistance (Ω±10%) | 17 | 46 | 67 | 150 | 270 | 1050 | 4250 | 0.54W |
| Rated Current (mA) | 180 | 108 | 90 | 60 | 45 | 22.5 | 11.3 | |
| Max. Operate Voltage (VDC) | 2.4 | 4 | 4.8 | 7.2 | 9.6 | 19.2 | 38.4 | |
| Min. Release Voltage (VDC) | 0.15 | 0.25 | 0.3 | 0.45 | 0.6 | 1.2 | 2.4 | |
| Coil Resistance (Ω±10%) | 13 | 35 | 50 | 110 | 200 | 800 | 3200 | 0.72W |
| Rated Current (mA) | 240 | 144 | 120 | 80 | 60 | 30 | 15 | |
| Max. Operate Voltage (VDC) | 2.4 | 4 | 4.8 | 7.2 | 9.6 | 19.2 | 38.4 | |
| Min. Release Voltage (VDC) | 0.15 | 0.25 | 0.3 | 0.45 | 0.6 | 1.2 | 2.4 | |
| Max. Voltage | 3.9 | 6.5 | 7.8 | 11.7 | 15.6 | 31.2 | 62.4 |
Remark: Max. Voltage refers to the maximum voltage which relay coil could endure in a period of time.
SAFETY APPROVED RATINGS
| Model | Coiling rating | Safety Standard | Contact rating |
| TRA3 | 3 to 48VDC | TÜV | 5A 240VAC
5A 30VDC |
| UL/cUL | 5A 240VAC
5A 30VDC |
||
| CQC | 5A 240VAC |
ORDERING INFORMATION 
CHARACTERISTIC CURVES
DIMENSIONS
OUTLINE DIMENSIONS, WIRING DIAGRAM AND PC BOARD LAYOUT
OUTLINE DIMENSIONS
PC BOARD LAYOUT
WIRING DIAGRAM
Remark
- In case of no tolerance shown in outline dimension: outline dimension ≤1mm, tolerance should be ±0.2mm; outline dimension >1mm and ≤5mm, tolerance should be ±0.3mm; outline dimension >5mm, tolerance should be ±0.4mm.
- The additional tin top is max. 1mm.
- The tolerance without indicating for PCB layout is always ±0.1mm.
Disclaimer
The specification is for reference only. Specification subject to change without notice.
FAQs
What is the maximum switching power of the relay?
The relay has a maximum switching power of 600W.
What is the electrical endurance of the relay?
The relay has electrical endurance specifications provided in the manual.
Can the relay operate in high humidity environments?
The relay can operate in humidity levels ranging from 40% to 85%.
How do I select the appropriate coil voltage for my application?
Refer to the ordering information section in the manual for guidance on selecting the correct coil voltage.
Is the relay compliant with RoHS and ELV directives?
Yes, the relay conforms to RoHS and ELV directives as stated in the manual.
What is the creepage distance of the relay?
The creepage distance of the relay is specified as 8.0mm minimum.
Documents / Resources
 |
TBO ELECTRONICS TRA3 Power Relay [pdf] User Guide TRA3, TRA3 Power Relay, TRA3, Power Relay, Relay |
