Wylex Domestic Commerical Industrial Circuit Protection

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NH Switch Disconnectors
DIMENSIONS
TECHNICAL INFORMATION
Sheet Steel Enclosure
RATING INAMPS 20A 32A 40A 63A 63A* 100A 125A
Rated InsulationVoltage Ui (V) 800 800 800 800 800 800 800
Dielectric Strength (kV) 50 Hz 1min 3 3 3 3 3 3 3
Shock Resistance Uimp (kV) 8 8 8 8 8 8 8
OPERATIONAL CURRENT IE (A)
415V AC - AC21A / AC21B 20 32 40 63 80 100 125
AC22A / AC22B 20 32 40 63 80 100 125
AC23A / AC23B 20 32 40 63 80 80 80
500V AC - AC21A / AC21B 20 32 40 63 80 100 125
AC22A / AC22B 20 32 40 63 80 100 125
AC23A / AC23B 20 32 40 40 63 63 63
690V AC - AC20A / AC20B 20 32 40 63 80 100 125
AC21A / AC21B 20 32 40 63 80 100 125
AC22A / AC22B 20 32 40 63 80 100 100
AC23A / AC23B 20 25 25 25 50 50 50
MOTOR POWER (KW) AC 23
415V AC 7.5 11 11 15 18.5 37 40
500V AC 7.5 11 15 18.5 22 37 37
690V AC 11 11 18.5 18.5 25 30 30
FUSE TYPES TO BS88
OVERLOAD CAPACITY
Fuse rating gG 20 32 40 63/40 63 100 125
Short circuit current with
fuses (kA Rms) 50 50 50 20/50 50 20 15
Asymmetric short time
rating current (kA peak) 6 6 6 9 9 9 9
Admissible short time
current 1 s. (kA Rms) 1.26 1.26 1.26 1.5 1.5 1.5 1.5
MAKING & BREAKING CHARACTERISTICS
Breaking capacity (A Rms)
415V AC 23 A 160 256 320 504 504 640 640
Making capacity (A Rms)
415V AC 23 A 200 320 400 630 630 800 800
WITHSTAND
Mechanical
(number of operations) x 1000 100 100 100 100 30 30 30
Electrical (number of operations at
415V AC 23A) x 1000 3 3 3 3 1.5 1.5 1.5
CONNECTION
Maximum Cu cable section (mm 2) Ith 16 16 16 16 50 50 50
using stranded cable (mm2)
WEIGHT (KG)
3 pole 2.00 2.00 2.00 2.00 2.50 2.50 2.50
4 pole 2.00 2.00 2.00 2.00 2.50 2.50 2.50
A
B C
D
A
B C
D
CAT REF BOX SIZE HEIGHT (A) WIDTH (B) DEPTH (C) TOTAL DEPTH (D)
NHSW320 1 220mm 158mm 136mm 172.5mm
NHSW332 1 220mm 158mm 136mm 172.5mm
NHSW340 1 220mm 158mm 136mm 172.5mm
NHSW363 1 220mm 158mm 136mm 172.5mm
NHSW363X 2 325mm 158mm 136mm 172.5mm
NHSW3100 2 325mm 158mm 136mm 172.5mm
NHSW3125 2 325mm 158mm 136mm 172.5mm