Page 454 of Current Catalog by Moeller Electric USA

08/064 pkz 2 manual motor protectors technical data manual motor protectors motor protector combinations three-phase feeder bus connectors ul/csa ratings maximum rated voltage maximum rated current type b 3.1/2-pkz2 type b3.1/3-pkz2 bus connector incoming supply terminal ul/csa ratings maximum rated voltage maximum rated current type bk50/3-pkz2 terminal capacities min max torque rating v ac a a 600 85 100 v ac a awg nm 600 100 14 0 4.5 pkz2/zmr s motor protector trip curve the trip curve shows the tripping time of the motor protector in relation to the response current the curve shows mean values of the tolerance ranges at an ambiant temperature of 20°c starting from cold the tripping time of the bimetal trips at operating temrperature warm state is reduced to approximately ¼ of the values shown system pkz2 motor protectors are suitable for protection of iec type eex e explosion-proof motors specific characteristics for each individual setting range are available upon request these characterstics inn 55 x 75 mm format are self-adhesive and can be used as on-site documentation to verify the suitability of each motor protector for this application the data has been independently verified by the german ptb testing agency and laboratory ptb certificate no 3.53/388.299 tripping characteristcs on request setting range a 0,4 ­ 0,6 0,6 ­ 1,0 1,0 ­ 1,6 1,6 ­ 2,4 2,4 ­ 4,0 4,0 ­ 6,0 6,0 ­ 10 10 ­ 16 16 ­ 25 25 ­ 32 32 ­ 40 tripping characteristic to awa no 128-881-1 128-881-2 128-881-3 128-881-4 128-881-5 128-881-6 128-881-7 128-881-8 128-881-9 128-881-10 128-881-11 2h 20 minutes 10 5 2 1 40 secondes 20 10 5 2 1 pkz2/zmr pkz2/zmr s 3-phase 2-phase circuit diagram for pkz2/zmr and pkz2/zmr s 13 i zmrposition hand auto i k1 14 0 97 98 95 96 k1 200 milliseconds overload 50 20 m 3 1.5 2 3 4 6 8 10 x rated operational current 15 20 30 k1 5 2 use of the zmr pkz2 protective trip module in eex e applications in eex e applications the n.c contact 95-96 of the zmr protective trip module must always be wired in series with the contactor coil in the starter circuit see diagram above.

[close]