Features: 1) Electrical connection is by direct wiring to a quick connecting terminal block. 2) Metal or plastic housing; earth connected; low power consumption; glare-free and no noise. 3) Power factor(PF) as high as due to power factory correction(PFC); THD less than 20%; EMI filter circuit; crest factor(C.F.) less than 1.5; Working frequency 25KHZ. 4) Conforming to En55015 and En55022. 5) Applicable to power supply system ranging form 178-254V; working temperature form 0 to 45oC. 6) Pre-heat start mode; switch on-off more than 20000 times. 7) Self-protective form abnormal state and instantaneous high voltage or high current; less electromagnetic interference; safety performance conforming to IEC928 and IEC929. 8) Specifications: BT5-A: 8W, 14W, 21W, 28W, 2 x 8W, 2 x 14W, 2 x 21W, 2 x 28W BT5-B: 8W, 14W, 21W, 28W, 2 x 8w, 2 x 14W, 2 x 21W, 2 x 28W Packing: 50pcs/ctn, carton dimensions: 38 x 15 x 23cm Min Order Quantity:1,000pcs Delivery Time:Within 35 days after receipt of deposit Price Term:FOB or CIF