Table 1.4 (CONTACT TYPE AND CONTACT TRANSIENT RESISTANCE VALUE) Normally closed (NC) 1 2 Normally open (NO) CONTACT TRANSIENT RESISTANCE, mOhm CONTACT TYPE CODE Parameter Value ~ 2 5 0 16 45 100 000 3 50 1500 100 000 (-25) to 120 Rated voltage, V, not more Rated current, A, at power coeff. 0,95, not more Maximum current, A, at power coeff. 0,95, not more Number of automatic cycles, at rated current 25 А and power coeff. 0,95, not less than Number of automatic cycles, at rated current 16 А and power coeff. 0,95, not less than Electric strength of insulation, V, not less than Heating speed, K/min minimum-0,1; maximum-1,0 Degrees of protection provided by enclosure IP4X 0,05 Contact operating time, ms, not more Tolerance of operating temperature, %, but not less than °C Reset temperature, lower than operating temperature on, °C not less than о Operating temperature, С BASIC TECHNICAL DATA FOR TK34 (Automatic) (-25°C - 120°C) ±3; ±5 10 Number of automatic cycles, at rated current 45 А and power coeff. 0,95, not less than 6 000 Parameter Value ~ 2 5 0 16 40 1 000 3 50 1500 500 50 to 120 Rated voltage, V, not more Rated current, A, at power coeff. 0,95, not more Maximum current, A, at power coeff. 0,95, not more Number of automatic cycles, at rated current 25 А and power coeff. 0,95, not less than Number of automatic cycles, at rated current 16 А and power coeff. 0,95, not less than Electric strength of insulation, V, not less than Heating speed, K/min minimum-0,1; maximum-1,0 Degrees of protection provided by enclosure IP4X 0,05 Contact operating time, ms, not more Tolerance of operating temperature, %, but not less than °C о Operating temperature, С BASIC TECHNICAL DATA FOR TK34 (Manual Reset) (50°C - 120°C) ±3; ±5 Number of automatic cycles, at rated current 40 А and power coeff. 0,95, not less than 500
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