UL21457

Modified Polyphenylene Ether - Polyethylene, mPPE-PE Jacketed Cable | UL21457

UL21457 cable is fabricated from Modified Polyphenylene Ether - Polyethylene (mPPE-PE) and extremely high purity copper conductors. There are multi insulated wires with options for 2 to 100 conductors. Different colors are applied upon each wire insulation for easy identification. UL21457 compliant cable can be supplied on customize or standard base, in various gauge size, configuration, shielding option, designated insulation and jacket wall thickness.

What is UL21457?

UL21457 is an independent style number, as verified accurate to be a safety identification mark for cable with certain critical parameters fulfilled. A cable printed with marking content "UL21457" upon the jacket surface is to declare it is qualified to meet the corresponding safety requirement. UL21457 can be used as a factor of safety combination with other safety regulation, such as CUL, VDE, CCC, CE, etc.

Technical Specification

Nominal temperature rated: 80°C.
Nominal voltage rated: to be determined.
Spark test: 3000V.
Fire resistant: VW-1, FT1, FT2 verified.
Cold bend: -10°C for 1 hour, no observed cracking.
Heat shock: 121°C for 1 hour, no observed cracking.
Dielectric strength: 2000 Vac for 1 minute without breakdown.
Aging test: 113°C for 168 hours (7 days), tensile strength remains above 70% original, elongation rate 65% original.

General application of UL21457


Electronic appliances.
Automotive industry.
Communication industry.
Military industry.
Aerospace industry.

Environmental and Safety

1. UL21457 complies with European Directive 2015/863/EU and 2011/65/EU, the restriction of use of certain hazardous substances in electrical and electronic equipment. 
2. UL21457 does not contain Substances of Very High Concern (SVHC) listed on European Union's Reach 1907/2006/EC candidate list in excess of 0.1% mass.
3. Samples of UL21457 have been tested with standards EN 50525-1:2011 and verified in compliance with the council Low Voltage Directive 2014/35/EU.

FAQ. Frequently Asked Questions

Q: Is UL21457 complied with LSZH standard, means Low Smoke and Halogen free?
A: Yes, UL21457 is safety mark for mPPE-PE jacketed cable. It fully complies with the requirement of LSZH standard.

Q: Can I get a good price of LSZH compliant cable with UL21457 mark?
A: Yes, we offer good price of LSZH cable with UL21457 mark. Please contact WCH Cable (sales@wchcable.com) to get a specific & formal quotation.


Tag: lszh cablehalogen free cable