Single Phase Distribution Block

UKK 250A Single Phase Connection Box

UKK 250A single phase connection box with nickel-plated brass conductors, PA66 UL94V-2 housing, 690V rating, high IPk 51kA, CE/RoHS certified, for DIN rail or screw mounting.

Single Pole Junction Box UKK 250

Regular color: blue. Other colors are available upon request.

UKK 250A Single Phase Connection Box

Certifications CE      ROHS
Dimensions and Materials
L × W × H(mm) 97x50x50
Screw Material Nickel-plated steel
Conductor Material Nickel-plated brass
Plastic Housing PA66/94V-2
Transparent Cover PC
Mounting Method 35mm guide rail and screw fixation
Electrical Performance
Reference Standard IEC 60947-7-1
Rated Voltage(V) 690
Rated Current(A) 250
Impulse Withstand Current/IPk (KA) 51
Wiring Parameters
Input A B C
Number of interfaces 35 to 120 X1
Tightening Torque(N.m) 19
Interface Diameter(mm) 16
Metric Wire Diameter(mm2) 35~120
American Made Wire Diameter (AWG) 6~250kcmil
Output A B C
Number of interfaces 6 to 35 x2 2.5 to 16 X5 2.5 to 10 X4
Tightening Torque(N.m) 4.4 2.7 2.7
Interface Diameter(mm) 10 8 6
Metric Wire Wire Diameter (mm2) 6~35 2.5~16 2.5~10
American Made Wire Diameter(AWG) 10~1 14~4 14~6

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