Page 192 - Twomaster_General_Catalogue_2024_2025

General Catalouge - 2024 TWOMASTER MEK SERIES

Sheet Steel Enclosure From

63-1600A

TWOMASTER SAFETY ENCLOSURES

Rated operating current Ie (A) 50 A 80 A 125 A 200 A 400 A 500 A 630 A
Associated fuse rating (A) 40 63 100 160 315 400 500
Rated insulation voltage Ui (V) 690 690 750 750 1000 1000 1000
Rated impulse withstand voltage Uimp (kV) 6 6 8 8 12 12 12
Rated operational currents Ie (A)
400 V AC AC 21 A 50 80 125 200 400 500 630
AC 22 A 50 63 125 200 400 400 630
AC 23 A 50 63 125 200 400 400 630
Operational power in AC-23 A (kW)
At 400 VAC without pre-break in AC-23 (kW) 25 30 63 100 220 220 355
At 500 VAC without pre-break in AC-23 (kW) 11 25 63 63 140 140 355
At 690 VAC without pre-break in AC-23 (kW) - 7,5 11 - 75 75 90
At 400 VAC with pre-break in AC-23 (kW) 25 30 63 100 220 220 355
At 500 VAC with pre-break in AC-23 (kW) 18.5 33 63 80 220 220 450
At 690 VAC with pre-break in AC-23 (kW) 22 33 55 90 185 185 295
Short-circuit capacity
Rated short-time withstand current 1s. ICW (kA rms) 2,5 2,5 7 9 13 13 26
Fuse protected short-circuit withstand (kA rms prospective)(415VAC) 12 12 20 30 45 45 55
Rated peak withstand current (kA peak)(415VAC) 4,5 4,5 12 17 30 30 50
Mechanical characteristics
Durability (number of operating cycles) 10000 10000 10000 10000 5000 5000 5000
Operating e ffort (Nm) 2 2 10 13 21 21 45

Please consult us for other current ratings (800A - 1250A - 1600A)

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