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| Agency Standards for Temperature and Power Controllers |
| In certain applications, the control circuit electronics and associated system hardware requires testing by an independent agency to meet specific construction and operation requirements with respect to hazards affecting life and property. The following are the standards to we apply, where applicable, to the controller products we design and build:
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- A.G.A. Std ANSI Z 21.23-1993---Gas Appliance Thermostats and Z21.23a -1994
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- C22.2 No. 24-M1987---Temperature Indicating and Regulating Equipment
- C22.2 No. 109-M1981 Commercial Cooking Appliances
- C22.2 No. 14-M1987 Industrial Control Equipment
- C22.2 No. 177, 1992 Clock Operated Switches
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- EN 50081-1---EMC Generic Emissions Standard/Residential, Commercial and Light Industrial
- EN 50081-2---EMC Generic Emissions Standard/Industrial Environment
- EN 50082-1---EMC Generic Immunity Standard/Residential, Commercial and Light Industrial
- EN 50082-2---EMC Generic Immunity Standard/Industrial Environment
- EN 60730---Specification for Automatic Electrical Controls (Household)
- EN 61010---Safety Requirements for electrical Equipment for Measurement, Control and Laboratory Use
- EN 60950---Specification for Information Technology Equipment
- VDE 0160---Electronic Equipment for Use In Power Installations
- VDE 0805---Safety of Information Technology Equipment, Including Business Equipment
- prEN 50178---Electronic Equipment for Use In Power Installations-Preliminary
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- FM---Class 3545 Approved Temperature Limiting Switch NSF International
- ANSI/NSF 1996---Commercial Cooking, Rethermalization and Powered Hot Food and Transport Equipment
- NSF C-2, 1983---Special Equipment and/or Devices (Foodservice) Underwriters Laboratories (UL®)
- UL 50 (C-UL)---Type 4X Enclosure (NEMA 4X, IP65 for European Manufacture)
- UL 197 (C-UL)---Commercial Cooking Appliances
- UL 508 (C-UL)---Industrial Control Equipment
- UL 873 (C-UL)---Temperature Indicating and Regulating Equipment
- UL 917 (C-UL)---Clock Operated Switches
- UL 991 (C-UL)---Tests for Safety- Related Controls Employing Solid State Devices
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Watlow furnishes many stock products that have recognition for various agency file numbers, including the new European Union Directives.
Please consult your local Watlow sales office for special assistance regarding your unique requirements.
UL® is a registered trademark of the Underwriters Laboratories, Inc.
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