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Datasheet generated 2026-10-07
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BOX 400A 3L+N NS400 (KSB400DC4)

Schneider Electric · Electrical Components · Moulded Case Circuit Breakers · France · se.com
Part Number
KSB400DC4  ·  HS 8536.90
BOX 400A 3L+N NS400 (KSB400DC4)

Schneider Electric KSB400DC4 Box 400A 3L+N Ns400.

Technical Specifications

Manufacturer part number (MPN)KSB400DC4
EAN / GTIN3606480005794
Sales unitpcs
Package quantity4 pcs
Rated current400 A
Range of productCanalis
Range compatibilityCanalis KS busbar trunking; Canalis KT busbar trunking
Offer typeClassic
Product or component typeTap-off unit
[Ie] rated operational current400 A at 35 °C
Protection typeCircuit breaker: Compact NSX400
Provided equipmentcircuit-breaker to be ordered separately
Mounting modePlate with fixed polarity
Tap-off unit polarity3L+N+PE
ColourWhite (RAL 9001)
Device applicationMedium power distribution
[Ue] rated operational voltage400 V depending on protective device; 500 V depending on protective device
[Uimp] rated impulse withstand voltage6.8 kV
[Ui] rated insulation voltage400 V depending on protective device; 500 V depending on protective device
Network frequency50/60 Hz
Control typeExtended rotary handle
Electrical connectionCrimp lug - ISO50 240 mm² flexible; Crimp lug - ISO50 240 mm² rigid
door/cover opening sideRight
Tap-off unit disconnection modeBy rotary operating handle
Number of openings2 openings for FL21 gland plate
StandardsIEC 61439-6; IEC 61439-1
Body materialMetal
Width700 mm
Depth350 mm
depth (door open)976.5 mm
Height400 mm
Product weight19 kg
Earthing systemTT; TN-S; IT
IP degree of protectionIP55 conforming to IEC 60529
IK degree of protectionIK08 conforming to IEC 62262
Number of Units in Package 11
Number of Units in Package 24
Country of originFR
Warranty (in months)18
RAL-number9001
With lockingNo
ProtectionNone
Number of conductors (without earthing)4
Phase selectionNo
Number of poles3
Length732 mm
Degree of protection (IP)IP55
Branch off typePipe in-lead
Rated voltage AC 50 Hz230–690 V
Rated current AC 50 Hz400 A

Properties

MOQ1

Cross-References

Attached Documents