WOLFRAM Tungsten Electrodes, Zirconiated (WZ8, white) JOOYEONG 5 kA at 400 415 V Welding Screen Sheet 5 kA at 400 415 V AC 50 60 Hz conforming to IEC 60947 2 Suitability for isolation Yes conforming to IEC 60947 2 utilisation category Category A Trip unit name TM D Trip unit technology Thermal magnetic Trip unit rating 30 A at 50 °C Protection type Overload protectionShort circuit protection Pollution degree 3 conforming to IEC 60664 13 conforming to IEC 947 1 Complementary Control type Toggle Mounting mode Fixed mounting support Backplate Upside connection Front downside connection Front Mechanical durability 8500 cycles Electrical durability Category A: 1500 cycles 415 V AC 50 60 Hz conforming to IEC 60947 2 Connection pitch 25 mm local signalling Positive contact indication Neutral protection setting Without protection earth leakage protection Without height 130 mm Width 75 mm Depth 60 mm Environment Standards JIS C8201 2 2EN IEC 60947 1GB T 14048 Size 550x1 270x50x7 Key Features values vary by size