Telco Envirotrols Inc.

Women's Business Enterprise National Council

 

Specializing in Environmental Equipment, Controls, and Parts

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A72AA

Coiled Bulb Space Thermostat (Cooling)

Description

The A72 is a space sensing thermostat with heavy-duty contacts

Applications

Use for compressor cycling for walk-in coolers and freezers.

Features

The double-pole single-throw contact block contains two isolated sets of contacts that make or break simultaneously.

Accessories

For replacement cover, order code number CVR17A-620R.

Technical Specifications

Maximum bulb temperature is 200°F (93°C).

Electrical Ratings

Motor Ratings VAC 120

1 phase

 2081

1 phase

 2401

1 phase

 2201

2 phase

 208

 3 phase

 220

3 phase
Horsepower 2 3 3 5 5 5
AC Full Load Amp 24.0 24.0 24.0 15.0 15.9 15.0
AC Locked Rotor Amp 144.0 144.0 144.0 90.0 95.4 90.0
AC Non-Inductive Amp 24.0 24.0 24.0 - - -
DC Non Inductive Amp 3.0 - 0.5 - - -
Pilot Duty - Both Poles 125VA, 120 to 600 VAC and 57.5 VA, 120 to 300 VDC

1.    These full load and locked rotor ampere (not horsepower) ratings apply to hermetic compressors only.

Selection Chart

Code Number Switch Action Range F (C) Diff F (C) Bulb and Capillary Range Adjuster
A72AA-4C DPST Close High Open Low 15 to 55 

(-9 to 13)

 3 to 30 (1.7 to 17) Coiled Copper Bulb Screwdriver slot
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Last modified: 05/07/08