Altronix T2SSK75F14DV 220VAC Dual-Voltage Power Supply with Battery Backup

Overview

The Altronix T2SSK75F14DV is a 220VAC-input, dual-voltage power supply engineered for commercial surveillance and access control installations where 24VDC or 12VDC loads need regulated, battery-backed power in a single enclosure. It delivers 10A at either voltage rail — enough headroom to support multiple cameras, door controllers, or peripheral devices without daisy-chaining supplies. If you're specifying a system for an international site or a U.S. facility wired for 220V service, the T2SSK75F14DV eliminates the need for a separate step-down transformer. For a broader view of the Altronix power supply lineup, the full catalog covers single-voltage, multi-output, and PoE variants for virtually every installation profile.

This unit lives in the commercial power supply category — not a commodity UPS box. It's a purpose-built security power supply with supervision outputs, PTC protection, and battery management built in. That distinction matters at commissioning time: you get Form C dry contacts for both AC fail and battery fault, which feed directly into a panel's auxiliary input or a monitoring receiver without added relay hardware.

Key Features

220VAC Input with 10A/250V Fusing: Designed for 220V mains, this supply installs directly on international or industrial 220V circuits — no step-down transformer, no adapter. The 10A/250V input fuse provides upstream overcurrent protection sized for the load.

Dual 10A Output Rails (24VDC or 12VDC): A full 10 amps at your choice of output voltage handles substantial device loads. Running eight 1.2A cameras at 12V still leaves buffer — relevant when you're sizing for future device adds without returning to the panel.

1A Unswitched Auxiliary Output: The auxiliary rail stays live regardless of the main output state. Use it for always-on indicators, low-power sensors, or a status device that needs to remain energized even during a controlled shutdown sequence.

PTC Protection at 2.5A per Output: Polymeric positive temperature coefficient protection limits per-circuit current automatically and resets once the fault clears — no fuse replacement on the ladder at 2 a.m. after a short on a door controller wiring run.

12VDC/12AH Battery Backup: Supports a 12V/12AH sealed lead-acid battery (field-supplied). Battery capacity is sized for multi-hour holdover on typical access control loads — exact runtime depends on connected load current.

Form C AC Fail and Battery Supervision Contacts: Both the AC fail and battery fault conditions report via dry Form C relay contacts rated at 28VAC or VDC @ 2.5A. Wire these directly to a panel zone or supervisory receiver without interposing relays.

Relay Rating 28VAC/VDC @ 2.5A: The onboard relay handles a meaningful supervisory load — drives most commercial panel auxiliary inputs without a buffer relay, keeping the panel enclosure wiring cleaner.

Low Power Shutdown — Deep Discharge Protection: Automatically sheds load before the battery reaches a damaging depth of discharge. This preserves battery cycle life, which matters when the battery may sit on standby for months between tests.

191 BTU/Hr Thermal Output: At full load, the enclosure dissipates 191 BTU/Hr. Factor this into rack or closet thermal planning — in a sealed, unventilated enclosure that number adds up quickly across multiple supplies.

CE Marked (European Conformity): CE marking confirms the unit meets applicable EU safety and EMC directives — relevant for installations on European sites or for projects with multinational compliance requirements.

Operating Range 0°C to 49°C: Rated for ambient temperatures up to 49°C (120°F), covering most mechanical room and IT closet environments. The -20°C to 70°C storage range means it can ship and stage in cold warehouses without conditioning time before installation.

Large Steel Enclosure (27.25