Our High Current Relay is designed for heavy-duty electrical applications, offering high reliability, safety, and long-lasting performance. Ideal for automotive, industrial, and power distribution systems, this relay ensures consistent operation even under demanding conditions.
Key Features:
High Contact Capacity: Supports up to 30A switching current for robust load handling.
Enhanced Safety: 3mm contact gap and 8mm creepage distance for reliable insulation and reduced risk of arc or short circuit.
High Dielectric Strength: 4000Vrms withstand voltage between coil and contacts, ensuring protection in high-voltage environments.
Flexible Contact Forms: Available in 1Z (SDPDT), 1X (SPNO), 1Y (SPNC), 2C (DPDT), and 2A (DPNO) configurations to suit different circuit designs.
Optional Magnetic Arc Extinguishing: Available for 2C DC models to improve switching reliability in DC applications.
LED Indicator: Displays coil ON/OFF status (AC: red, DC: green) for easy monitoring.
Manual Test Button: Optional feature for safe and convenient circuit testing.
Multiple Terminal & Housing Options: Plug-in or PCB terminals with standard, side flange, top flange, and clamp rail housings for versatile installation.
Wide Coil Voltage Range: 6–110VDC or 6–240VAC to accommodate various control systems.
Insulation Class Options: Standard B-level (130°C) or optional F-level (155°C) coil for high-temperature applications.
Applications:
Electric vehicles and automotive systems
Industrial machinery and heavy equipment
Power distribution and control panels
Battery management systems and renewable energy installations
Product Parameters Table
Model Description
| Code Segment | Description / Options |
|---|---|
| Model | BTA12 |
| Contact Form | 1Z (SPDT), 1X (SPNO), 1Y (SPNC), 2C (DPDT), 2A (DPNO) |
| Contact Load | Blank: 30A |
| Terminal Type | S: 6.3×0.8mm; S1: 4.8×0.8mm; S2: 4.8×0.5mm; P1: 2.3×0.8mm; P2: 1.2×0.8mm |
| Shell Type | C: Standard; C1: Side Flange; C3: Top Flange; C4: Clamp Rail |
| Options | M: Test Button; L: LED; B: Magnetic Arc Extinguisher (DC only) |
| Coil Class | Blank: B-level (130°C); F: F-level (155°C) |
Contact Specifications
| Parameter | Single-Pole | Two-Pole |
|---|---|---|
| Resistive Load | 30A @ 28VDC / 600VAC | 30A @ 28VDC / 600VAC |
| Motor Load | 1 HP @ 120VAC; 2 HP @ 208-600VAC | 1 HP @ 120VAC; 2 HP @ 208-600VAC |
| Switching Power | 840W / 18000VA | 840W / 18000VA |
| Contact Material | AgCdO | AgCdO |
| Contact Resistance | ≤50mΩ | ≤50mΩ |
| Electrical Life | 100,000 ops | 100,000 ops |
| Mechanical Life | 10,000,000 ops | 10,000,000 ops |
Coil Specifications (at 23°C)
| Coil Type | Voltages (VDC/VAC) | Pickup Voltage | Release Voltage |
|---|---|---|---|
| DC | 6, 12, 24, 48, 110 | ≤80% | ≥10% |
| AC | 6, 12, 24, 120, 240 | ≤85% | ≥30% |
General Parameters
| Parameter | Value |
|---|---|
| Max. Operating Voltage | 110% of rated voltage |
| Coil Power | DC: 2.0W, AC: 3.0VA |
| Pickup Time | AC: ≤30ms, DC: ≤20ms |
| Release Time | AC: ≤25ms, DC: ≤15ms |
| Insulation Resistance | 1000MΩ @ 500VDC |
| Dielectric Strength | 2500VAC (contacts), 4000VAC (coil to contact) |
Environmental & Mechanical
| Parameter | Value |
|---|---|
| Operating Temperature | –30°C to +65°C |
| Humidity | 5% to 85% RH |
| Vibration Resistance | 10–55Hz, 1.0mm amplitude |
| Impact Strength | 980 m/s² |
Physical Specifications
| Parameter | Value |
|---|---|
| Dimensions (L×W×H) | 35mm × 35mm × 56.3mm |
| Weight | ~88g |
| Mounting | Plug-in or PCB mount |
