Bulk Relay Features 鈥?30 Amp switching capability for both N.O. and N.C. contacts 鈥?1 Form A, B and C contacts available 鈥?Life expectancy to 10 million operations 鈥?Class B insulation standard 鈥?Class F (155掳C) version available 鈥?Available with an epoxy seal for automatic wave soldering and immersion cleaning 鈥?Proof Tracking Index (PTI/CTI) 175 鈥?UL, CUR file E44211 including versions meeting UL 508 and UL 873 spacing and contact rating requirements; 鈥?VDE certificate 40023154 (AZ2150-1A and 1C only) About product: 1.The core components of the relay are automatically detected, and the size of the wire package is reduced by automatic welding Gold supplier, following the telephone when grinding contact porn, yan iron, end workers to cause bad quality 2. Two years warranty More than 40,000 times of service life. Fully automatic production equipment, stable performance.Bulk Relay website:http://www.hungso.com/relay/