TR161-50A 50 Amp Relay Switch Designed by Mingni Tech| High-power electromagnetic relay with 50A contact rating – Available in 5V, 12V, and 24V DC coil options
Key Features
- 50A contact rating – High current switching capability
- 24V DC coil option – Perfect for automotive and industrial applications
- Compact dimensions – 30mm × 15.6mm × 20.5mm
- F-class insulation – High temperature resistance
- AgSnO2 contacts – Durable material for long service life
- Fast switching – Pickup time ≤20ms, Release time ≤10ms
- Wide temperature range – Operates from -40°C to +85°C
- High reliability – 1,000,000 mechanical operations
Product Specifications of 50 amp relay switch
Electrical Characteristics
| Parameter | Value |
|---|---|
| Model Number | TR161-50A |
| Rated Load | 50A @ 277VAC |
| Maximum Switching Current | 50A |
| Maximum Switching Voltage | 277VAC |
| Maximum Switching Power | 13,850VA |
| Contact Form | 1H (1 set of normally open contacts) |
| Contact Material | AgSnO2 (Silver Tin Oxide) |
| Contact Resistance | ≤1.5mΩ (at 12VDC 1A) |
Coil Parameters (Standard Type 0.9W)
| Coil Voltage (VDC) | Coil Resistance (Ω ±10%) | Max. Pick-up Voltage (VDC) | Min. Drop-out Voltage (VDC) |
|---|---|---|---|
| 5 | 27.8 | ≤3.50 | ≥0.5 |
| 12 | 160 | ≤8.40 | ≥1.2 |
| 24 | 640 | ≤16.8 | ≥2.4 |
Performance Parameters
| Parameter | Value |
|---|---|
| Pickup Time | ≤20ms |
| Release Time | ≤10ms |
| Insulation Resistance | ≥1,000MΩ (at DC500V) |
| Dielectric Withstand Voltage | 1000VAC (1min), 4500VAC (1min) |
| Creepage Distance | 10mm |
Mechanical & Environmental Specifications
| Parameter | Value |
|---|---|
| Vibration Resistance | 10~55Hz, 1.5mm amplitude |
| Shock Resistance | 100G minimum |
| Mechanical Life | 1,000,000 operations |
| Electrical Life | 40A @ 250VAC: 1800 operations 40A @ 60VDC: 1000 operations 30A @ 250VAC: 10,000 operations |
| Operating Temperature | -40°C to +85°C |
| Humidity Range | 5% to 85% RH |
Physical Dimensions
| Dimension | Value (mm) |
|---|---|
| Length | 30.0 ±0.3 |
| Width | 15.6 ±0.3 |
| Height | 20.5 ±0.3 |
| Mounting Hole Spacing | 27.6 ±0.1 |
Applications
The TR161-50A 50 amp relay switch is ideal for:
- Motor load switching
- Industrial control systems
- Power distribution equipment
- Automotive applications (especially the 24V DC coil version)
- HVAC systems
- High-current switching applications
Certifications
The TR161-50A relay meets the following standards and certifications:
- ISO9001
- ISO/TS16949
- ISO14001
- OHSAS18001
- IECQ QC 080000
Notes
- Coil current and coil resistance are values at coil temperature of 23℃ and have a tolerance of ±10%.
- The operating voltage and release voltage are the values at the coil temperature of 23℃.
- The maximum allowed voltage is the maximum value of the voltage allowed to be applied to the coil.
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