Tempco Custom Heater Manufacturing

Silicone Rubber Drum & Pail Heater Specifications

Physical Description

Heating element is laminated between two layers of 23 mil and two layers of 25 mil fiberglass reinforced silicone rubber.

Power Density: 2.5W/sq.in.

Nominal Silicone Rubber Density: 26 oz/sq.yd.

Electrical Ratings

Wiring from Drum Heater to Controller: 6 ft. liquid-tight conduit

Line Cord from Controller Assembly: 6 ft. industrial power cord

Line Cord Termination:
120V – Hazardous area rated 5-15P plug
240V – No plug, flying leads

Agency Approvals:

Tempco SHS, DHR & EHR Silicone Rubber Heaters are UL Recognized in the USA and for Canada under UL File Number E65652 (UL499) Component Recognition Program, and CSA Recognized under CSA File Number 043099. If you require UL/cUL and/or CSA Agency Approval, please specify when ordering.

Silicone Drum Rubber Heater Graph



High Limit Thermostat:

  • Designed to keep blanket below NEC article 500-T rating
    T Rating NEC Temperature Actual High Limit
    T3 392°F (200°C) 292°F (145°C)
    T4A 248°F (120°C) 158°F (70°C)
  • High limit red indicator lamp
  • Attached adjustable dual setpoint thermostat NEMA 7 temperature controller. Moisture and chemical resistant.

Thermostat Range:  25°-325°F/-4°-163°C, dual scale limited by the “T Rating”

Tempco logo
Tempco Electric Heater Corporation

607 N. Central Ave. | Wood Dale, IL 60191-1452 USA
Phone: 630.350.2252 | Toll Free: 888.268.6396
Fax: 630.350.0232 | Email: [email protected]

We have Branch Offices located across the United States.



Tempco on LinkedIn       Tempco on Facebook       Tempco on Instagram       Tempco on Twitter       Tempco on YouTube

© 2023-2024 Tempco Electric Heater Corporation. All Rights Reserved.