Telco Envirotrols Inc.

Women's Business Enterprise National Council

 

Specializing in Environmental Equipment, Controls, and Parts

Downloadable Order Form

Home

TEI News Page

Controls Parts

Energy Management

ASI Controls Building Automation

ASI Telco Panel

Bard Wall-Mount and HVAC Equipment

Bard HVAC Parts Supply

Bard Controllers

Nesbitt Equipment

Gas Detection

Environmental Monitors

 

A25 Series

Warm Air Limit Control with Manual Reset

Description

The A25 warm air control locks out on a temperature increase to the control set point.  Manual reset is required before the electrical contacts can be re-closed.

The A25 is normally located in a return air duct and is wired to shut down air conditioning or ventilating fans when the temperature of the air becomes excessively hot.

Applications

Use for high temperature cut-out.

Features

  • trip-free reset lever does not permit restarting until the reset lever is manually released
  • the rod and tube type sensing element provides positive control action.

Technical Specifications

The maximum element temperature is 300°F (149°C)

Electrical Ratings

Motor Ratings VAC 120 208 240 277
AC Full Load Amp 16.0 9.2 8.0 -
AC Locked Rotor Amp 96.0 55.2 48.0 -
Non-Inductive Amp 16.0 Amp at 120/277 VAC
Pilot Duty - 125 VA, 24 to 600VAC

Selection Chart

Code Number Switch Action Range F (C) Range Adjuster Dial Stop F (C)
A25AN-1C SPST Open High 25 to 215

(-4 to 102)

 Knob High Limit Set at 125 (52)
A25CN-1C SPDT 25 to 215

(-4 to 102)

 Knob High Limit Set at 125 (52)
Factory Mutual Approved Models
A25AP-1C SPST Open High 25 to 215

(-4 to 102)

 Concealed Screwdriver Slot High Limit Set at 125 (52)
A25CP-1C SPDT 25 to 215

(-4 to 102)

 Concealed Screwdriver Slot High Limit Set at 125 (52)
                                            Return to Homepage                                                    Contact Us
Send mail to amberb@telcoenvirotrols.com with questions or comments about this web site.
Last modified: 07/28/08