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The following are detailed specifications for the ACTP512:
Technical Parameters
- Coil Rated Voltage: 12V DC
- Contact Arrangement: 1 Form C × 2 (SPDT-NO/NC dual set; 10 pins total)
- Protective Structure: Sealed type
- Operating Function: Single-side stable
- Operate (Pull-in) Voltage: Max. 7.2V DC (Initial value at 20°C)
- Release (Drop-out) Voltage: Min. 1.0V DC (Initial value at 20°C)
- Rated Operating Current: 83.3 mA ±10% (at 20°C; Coil Resistance: 144Ω ±10%)
- Rated Power Consumption: 1,000 mW (at 20°C)
- Operating Voltage Range: 10V to 16V DC
- Contact Material: Silver alloy (Ag alloy)
- Contact Resistance (Initial Value): Max. 100 mΩ (Typ. 7 mΩ on N.O. side; Typ. 10 mΩ on N.C. side; measured via voltage drop method at 1A, 6V DC)
- Nominal Switching Capacity (Resistive Load):
- N.O. Side: 30A 14V DC
- N.C. Side: 10A 14V DC
- Max. Carrying Current (N.O. Side):
- 25A continuous for 1 hour / 40A continuous for 2 minutes (Coil at 14V DC, 20°C)
- 20A continuous for 1 hour / 35A continuous for 2 minutes (Coil at 14V DC, 85°C)
- Min. Switching Load: 1A 14V DC (at 20°C, resistive)
- Insulation Resistance: Min. 100 MΩ (at 500V DC; Initial value)
- Dielectric Strength:
- - Between contacts: 500 Vrms, 1 min, detection current 10 mA
- Between contacts and coil: 500 Vrms, 1 min, detection current 10 mA
- Operate time: 10 ms max (at 20°C, rated voltage; excluding contact bounce time)
- Release time: 10 ms max (at 20°C, rated voltage; excluding diode)
- Mechanical life: 10⁶ operations min (at 120 cpm)
- Electrical life:
- Resistive load: 5 × 10⁴ operations min (at rated switching capacity; 1s ON / 9s OFF)
- Motor load (N.O. side):
- 10⁵ operations min (Surge 30 A, Steady-state 7 A; 14 V DC)
- 5 × 10⁴ operations min (30 A motor locked-rotor condition; 14 V DC)
- Motor load (N.C. side): 10⁵ operations min (Braking current 15 A; 14 V DC; 0.5s ON / 9.5s OFF)
- Shock resistance:
- Functional: 100 m/s² min (approx. 10G; 11 ms half-sine wave; detection time 10 μs)
- Destructive: 1,000 m/s² min (approx. 100G; 6 ms half-sine wave)
- Vibration resistance:
- Functional: 10 to 100 Hz, 44.1 m/s² min (approx. 4.5G; detection time 10 μs)
- Destructive: 10 to 500 Hz, 44.1 m/s² min (approx. 4.5G; 2 hours each in X/Y directions, 4 hours in Z direction)
- Operating environment conditions: -40°C to +85°C; Humidity 5% to 85% R.H. (non-freezing, non-condensing)
- Weight: Approx. 8 g
- Packaging: Tube; 30 units per inner box, 900 units per outer carton
Typical Applications
Application Area | Specific Function
Electric Window Lifters | Motor Direction Control (Up/Down)
Automatic Door Locks | Central Locking Motor Drive
Electric Sunroofs | Sunroof Motor Bidirectional Control
Electric Side Mirrors | Mirror Adjustment Motor Drive
Seat Adjustment | Seat Position Motor Control
Precautions
- Compatibility: The ACTP512 features a 10-pin, dual SPDT configuration. Before purchasing, please verify that the PCB pin layout matches your target application, paying particular attention to the N.O./N.C. contact assignments.
- Installation Instructions:
- When performing through-hole soldering, observe the 2.54 mm pin pitch to prevent solder bridging between pads.
- It is recommended to connect a flyback diode (1N4007 or equivalent) in parallel across the coil terminals to suppress back EMF.
- The sealed structure is not compatible with ultrasonic cleaning.
- Technical Support: For further technical assistance, please contact Panasonic Industrial Devices or a professional automotive electronics service provider.
Summary
The ACTP512 is a high-performance, ultra-compact, automotive-grade dual SPDT relay manufactured by Panasonic. Specifically designed for bidirectional motor control, it is widely utilized in automotive body electronics systems such as electric windows, door locks, and sunroofs. Its 30A/10A switching capacity, sealed construction, and long electrical life make it a highly practical and reliable component within the field of automotive electronics.
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