B3204U
| Model | B3204U |
| Description | solid state crowbar devices |
| PDF file | Total 212 pages (File size: 2M) |
| Chip Manufacturer | TECCOR |
UL 497A
UL 497A
UL 497A addresses secondary protectors for use in single or multiple pair-type
communication circuits intended to be installed in accordance with Article 800 of the
National Electric Code and to have an operating voltage of less than 150 V rms with respect
to Ground. The purpose of UL 497A is to help reduce the risk of fire, electric shock, or injury
resulting from the deployment and use of these protectors. UL 497A requirements do not
cover telephone equipment or key systems.
UL 497A Construction, Risk of Injury, and Performance Requirements
The “Construction” section covers the following requirements:
• General
• Product Assembly
• Enclosures
• Internal Material
• Accessibility and Electric Shock
• Protection Against Corrosion
• Cords
• Current-carrying Parts
• Internal Wiring
• Interconnecting Cords and Cables
• Insulating Material
• Printed Wiring
• Spacing
The “Performance” section covers the following requirements:
• General
• Impulse Voltage Measurement
• Overvoltage Test
• Endurance Conditioning
• Component Temperature Test
• Drop Test
• Crush Test
• Leakage Current Test
• Dielectric Voltage-withstand Test
• Rain Test
• Maximum Moment Measurement Test
• Weather-o-meter and Micro Tensile Strength Test
• Thermal Aging and Flame Test
• Electric Shock Current Test
• Manufacturing and Production Line Test
• Marking, Installation, and Instructions
© 2002 Teccor Electronics
SIDACtor
®
Data Book and Design Guide
4 - 27
http://www.teccor.com
+1 972-580-7777
Regulatory
Requirements
The “Risk of Injury” section covers the following requirements:
• Modular Jacks
• Sharp Edges
• Stability
• Protection of Service Personnel
