TAEKWANG Mechanical Dial Scale 2 kg–50 kg, Stainless Cover Pin Gauge Set 5 kA at 220 230 240 V Chisel (Flat) 5 kA at 220 230 240 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 150 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 10000 cycles Electrical durability Category A: 5000 cycles 415 V AC 50 60 Hz conforming to IEC 60947 2 Connection pitch 35 mm local signalling Positive contact indication Neutral protection setting Without protection earth leakage protection Without height 165 mm Width 105 mm Depth 60 mm Environment Standards GB T 14048 VNGA 160408 AB20 nothing to set up TAEKWANG supplies mechanical dial scales — the spring and pointer type that needs no power and no calibration menu