The 12V Industrial Relay is designed for high-performance operation in a variety of industrial applications. Offering superior durability and precision, this relay is ideal for controlling heavy-duty electrical systems, motorized equipment, and automation processes. With its robust construction and reliable switching capabilities, it ensures consistent performance in both AC and DC circuits.
Key Features:
Voltage Rating: 12V DC or AC input
Switching Capacity: Handles up to 30A at 12V DC/AC for robust control of high-power devices
Contact Configuration: Available in SPDT, DPDT, and multi-contact forms for flexible integration into different systems
High Durability: Designed for industrial environments, with a long operational lifespan and resistance to mechanical and electrical stress
Versatile Mounting Options: Easy to integrate into existing control panels with various mounting configurations
Quick Switching Speed: Provides fast response time to control complex industrial machinery with ease
Applications:
Motor control and automation systems
Industrial HVAC systems
Lighting control systems
Alarm systems and circuit protection
Robotics and heavy machinery
Technical Specifications:
| Parameter | Details |
| Contact Form | 3C (3PDT) |
| Contact Material | AgSnO₂ alloy |
| Initial Contact Resistance | ≤ 100 mΩ |
| Rated Resistive Load | 12A @ 28VDC / 240VAC |
| Motor Load | 1/3 HP @ 120VAC, 1/2 HP @ 240VAC |
| Max. Switching Voltage | 28VDC / 240VAC |
| Max. Switching Current | 12A |
| Max. Switching Power | 336W / 2280VA |
| Electrical Life | 100,000 operations |
| Mechanical Life | 10,000,000 operations |
| Coil Power | DC: 1.44W; AC: 2.5VA |
| Operate Time | ≤ 20 ms |
| Release Time | ≤ 15 ms |
| Insulation Resistance | 500 MΩ @ 500VDC |
| Dielectric Strength | Open contacts: 1000VAC, 1 min Between poles: 1500VAC, 1 min Coil to contact: 1500VAC, 1 min |
| Operating Temperature | AC: –25°C to +50°C; DC: –25°C to +55°C |
| Operating Humidity | 5% to 85% RH |
| Shock Resistance (Stability) | 98 m/s² |
| Shock Strength | 980 m/s² |
| Vibration Resistance | 10–55 Hz, double amplitude 1.0 mm |
| Terminal Types | Plug-in (socket) or PCB mount |
| Dimensions (L×W×H) | ~28 × 30.8 × 35 mm (standard) |
| Weight | ~55 g |
| Compatible Sockets | PTF-11A, PTF-11AE, PTF-11AN |
Coil Specifications (at 25°C):
| Rated Voltage (V) | Operate Voltage (V) | Release Voltage (V) | Max. Voltage (V) | Coil Resistance (Ω) ±10% |
| DC Coils | ||||
| 6VDC | ≤ 4.5VDC | ≥ 0.6VDC | 6.6VDC | 25 |
| 12VDC | ≤ 9VDC | ≥ 1.2VDC | 13.2VDC | 100 |
| 24VDC | ≤ 18VDC | ≥ 2.4VDC | 26.4VDC | 400 |
| 48VDC | ≤ 36VDC | ≥ 4.8VDC | 52.8VDC | 1600 |
| 110VDC | ≤ 82.5VDC | ≥ 11VDC | 121VDC | 8500 |
AC Coils (50/60 Hz) | ||||
| 6VAC | ≤ 4.8VAC | ≥ 1.8VAC | 6.6VAC | 6 |
| 12VAC | ≤ 9.6VAC | ≥ 3.6VAC | 13.2VAC | 25.3 |
| 24VAC | ≤ 19.2VAC | ≥ 7.2VAC | 26.4VAC | 103 |
| 48VAC | ≤ 38.4VAC | ≥ 14.4VAC | 52.8VAC | 460 |
| 110VAC | ≤ 88VAC | ≥ 33VAC | 121VAC | 2200 |
| 120VAC | ≤ 96VAC | ≥ 36VAC | 132VAC | 2770 |
| 220/230VAC | ≤ 176VAC | ≥ 66VAC | 242VAC | 10800 |
| 240VAC | ≤ 192VAC | ≥ 72VAC | 264VAC | — |





