Sentry Disconnect With Internal SENTRY3IN1

The Sentry SENTRY3IN1 is a combination disconnect incorporating internal protection functions, consolidating multiple devices normally installed separately at outdoor HVAC equipment into a single enclosure.

The base function is the code-required local disconnecting means. Electrical code mandates a disconnect within sight of and readily accessible to air conditioning and heat pump equipment so that service personnel can positively isolate the unit before working on it. Combining that function with additional internal protection reduces the number of separate enclosures, conduit runs, and mounting operations at the outdoor unit, which shortens installation time and produces a cleaner finished job.

Integrated protection at the equipment addresses the vulnerability of modern HVAC electronics. Inverter compressors, variable speed ECM blower modules, and communicating control boards represent a large share of the replacement cost of contemporary systems and are readily damaged by supply voltage transients from lightning strikes, utility switching, and nearby load events. Protection installed at the equipment disconnect sits electrically close to the load, which is the most effective location for clamping transients before they reach sensitive components.

Consolidating functions also improves serviceability. A technician arriving at the outdoor unit finds the disconnect and the protective devices in one place rather than tracing separate enclosures.

Applications include residential split system condensing units, heat pumps, ductless outdoor units, and light commercial packaged and refrigeration equipment. Confirm the ampere rating against the equipment nameplate minimum circuit ampacity and maximum overcurrent protection, verify the enclosure rating suits the installation environment, and install in accordance with applicable electrical code.

Brand

Sentry

SKU

SENTRY3IN1

Category

Disconnect Switches

Weight

7.8 lbs

Dimensions

11.95" x 7.97" x 5.18"

Price

$391.00

Availability

In stock (6 available)

Rating

0 / 5.0