ALTV248300ULM Overview
The Altronix ALTV248300ULM is a high-capacity, eight-output power supply and charging system designed for professional-grade CCTV, access control, intercom, and HVAC installations. With a 115 VAC input delivering up to 300 VA, it supplies eight independently protected Class‑2 outputs of clean, regulated 24 VAC or 28 VAC—perfect for powering cameras, heaters, lighting accessories, and control devices.
Featuring a rugged steel enclosure with convenient conduit knock-outs, the unit is equipped with manual breakers, surge suppression, and LED status indication for quick diagnostics. Built-in battery charging and redundancy ensure continuous operation in the event of AC power loss, making it ideal for mission-critical environments demanding robust, dependable power distribution.
📊 Specifications
⚡ Input
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Voltage: 115 VAC, 60 Hz
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Current draw: ~2.7 A
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Filtering: EMI suppression for clean input
💡 Output
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Selectable voltage: 24 VAC or 28 VAC
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Total power: 300 VA (24 VAC) / 280 VA (28 VAC)
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Channels: 8 Class‑2 PTC-protected outputs, auto-resetting, each rated for max 2.5 A
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Per output max current: 2.5 A
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Protection: Surge suppressors built into each output branch
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Main break: 15 A/32 V AC secondary fuse and illuminated disconnect breaker
🔋 Battery Backup & Charger
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Battery support: Accommodates two 12 V sealed lead‑acid or gel batteries
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Automatic switching: Instant transition to battery backup on AC failure
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Charging circuitry: Integrated charger maintains batteries during normal operation
🛡️ Supervision & Indicators
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LEDs: Power On, AC OK, plus dedicated diagnostic LEDs per output
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Breaker switch: Manual power disconnect with illumination for visibility
🌡️ Environmental Conditions
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Operating temperature: 0 °C to 49 °C (32 °F to 120 °F)
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Storage temperature: –20 °C to 70 °C (–4 °F to 158 °F)
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Humidity: Up to 85% non-condensing
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Heat dissipation:
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Approx. 154 BTU/hr when configured for 24 VAC
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Approx. 143 BTU/hr when configured for 28 VAC
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🚪 Enclosure & Physical Features
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Material: Powder-coated steel, wall-mountable
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Size: Approx. 12.3″ H × 7.3″ W × 4.5″ D (310 × 185 × 115 mm)
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Weight: ~11.1 lb (5.0 kg); shipping approx. 12.1 lb
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Knock-outs: ½″ and ¾″ for simplified conduit hookup
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Security: Steel‑locked door with key cam‑lock
✅ Certifications & Warranty
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Safety Listing: UL‑2044 for CCTV, NFPA‑70 compliant
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Approvals: cUL‑C22.2, CE, RoHS
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Warranty: Lifetime limited warranty

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