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Security Power Supply 13.5V DC 5A AC Fail Low Battery Ness
Ness 13.5V DC 5A security power supply features AC fail and low battery outputs. Ideal for alarm and security installations.
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Alternatively Known As: Ness POW250, TacPower TPS13-5DC, 13.5V Security Power Supply, Alarm Power Supply with Battery Charger
Technical Specifications
- Output Voltage: 13.5V DC
- Continuous Output Current: 5A
- Input Voltage: 240V AC, +6% / -10%
- Input Frequency: 50Hz
- Input Current: 0.8A at full load
- Battery Charger: 13.8V DC, 1.4A maximum
- AC Fail Indication: SPDT relay and green LED
- Low Battery Indication: SPDT relay and red LED
- Output Channels: 1 channel
- Overload Protection: Hysteretic thermal shutdown with automatic fault recovery
- Load Regulation: Less than 1% from open circuit to full load
- Line Regulation: Less than 0.2%
- Output Ripple: 25mV peak-to-peak at full load, typical
- Operating Temperature: 0°C to 50°C
- Safety Standard: AS/NZS 60950:2003, manufacturer-stated
- EMC Standard: AS/NZS CISPR 11:2004 Class B, manufacturer-stated
- Dimensions (H x L x W): 60mm x 226mm x 123mm
- Weight: 1.2 kg
Key Features
- Regulated 13.5V DC output for security and alarm equipment
- 5A continuous load capacity
- Integrated 13.8V battery charger rated to 1.4A maximum
- AC fail and low battery monitoring outputs
- SPDT relay contacts for alarm-panel integration
- Green AC status and red low-battery LEDs
- Short-circuit and overload protection with automatic recovery
- Switch-mode design in a compact aluminium enclosure
Professional Installation Requirements
- Mains electrical connection and commissioning should be performed by a licensed electrician or suitably qualified security installer in accordance with applicable Australian electrical requirements.
Applications
- Intruder alarm systems
- Access control systems
- CCTV and security equipment
- Security control panels requiring standby battery charging
- Commercial and residential security installations
Standards & Compliance
- AS/NZS 60950:2003 safety standard, as stated in the manufacturer’s POW250/TPS13-5DC manual
- AS/NZS CISPR 11:2004 Class B electromagnetic compatibility, as stated in the manufacturer’s manual
Environmental Benefits
- Switch-mode operation can reduce power losses compared with less efficient linear power-supply designs
- Integrated standby battery charging supports continued operation during mains interruptions and may reduce replacement of complete security equipment
- Overload protection and automatic fault recovery support extended service life and reduced electronic waste
Warranty Information
Ness Corporation’s general warranty provides 3 years from the date of purchase for Ness-manufactured or supplied products, unless otherwise specified. ([ness.com.au](https://ness.com.au/product-warranty?utm_source=openai))
Available Now
Available through Ness Corporation and authorised Australian security and electrical distributors. ([ness.com.au](https://ness.com.au/?utm_source=openai))
