N3-4-400-AVE
110872 N3-4-400-AVE
110872

Switch-disconnector 4p 400A + withdrawable unit
Switch-disconnectors N.. - Comply with the isolation properties even for earthed IT networks. Accessories, such as bridge kits, connection terminals and door coupling rotary handles enable individual installation in the most varied of distribution systems. Auxiliary switches, voltage releases and remote operators facilitate signaling and automation. Notes: main switch characteristics including positive drive according to IEC/EN 60204 und VDE 0113. Isolating characteristics according to IEC/EN 60947-3 and VDE 0660. busbar tag shroud according to VDE 0160 Part 100.

Product range	Switch-disconnectors
Protective function	Disconnectors/main switches
Standard/Approval	IEC
Installation type	Withdrawable
Construction size	N3
Description	Main switch characteristics including positive drive to IEC/EN 60204 and VDE 0113. Isolating characteristics to IEC/EN 60947-3 and VDE 0660. Busbar tag shroud to VDE 0160 Part 100.
Number of poles	4 pole
Switch positions	I, +, 0
Rated current = rated uninterrupted current [In = Iu]	400 A
Short-circuit protection max. fuse gL-characteristic	630 A gL
Standards	IEC/EN 60947
Protection against direct contact	Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
Climatic proofing	Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature >Ambient temperature, storage	- 40 - + 70 °C
Ambient temperature >Operation	-25 - +70 °C
Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC 60068-2-27	20 (half-sinusoidal shock 20 ms) g
Safe isolation to EN 61140 >Between auxiliary contacts and main contacts	500 V AC
Safe isolation to EN 61140 >between the auxiliary contacts	300 V AC
Mounting position >Mounting position	Vertical and 90° in all directions   With residual-current release XFI: - NZM1, N1, NZM2, N2: vertical and 90° in all directions with plug-in adapter elements - NZM1, N1, NZM2, N2: vertical, 90° right/left with withdrawable unit: - NZM3, N3: vertical, 90 ° left - NZM4, N4: vertical with remote operator: - NZM2, N(S)2, NZM3, N(S)3, NZM4, N(S)4: vertical and 90° in all directions
Direction of incoming supply	as required
Degree of protection >Device	In the area of the HMI devices: IP20 (basic protection type)
Degree of protection >Enclosures	With insulating surround: IP40 With door coupling rotary handle: IP66
Degree of protection >Terminations	Tunnel terminal: IP10 Phase isolator and band terminal: IP00
Rated surge voltage invariability [Uimp ] >Main contacts	8000 V
Rated surge voltage invariability [Uimp ] >Auxiliary contacts	6000 V
Rated operational voltage [Ue]	690 V AC
Rated operating frequency [f]	50/60 Hz
Rated current = rated uninterrupted current [In = Iu]	400 A
Overvoltage category/pollution degree	III/3
Rated insulation voltage [Ui ]	1000 V
Use in unearthed supply systems	≦ 690 V
Other technical data (sheet catalogue)	Weight Temperature dependency, Derating Effective power loss
690 V 50/60 H [Ic]	25 kA
t = 0.3 s [Icw ]	12 kA
t = 1 s [Icw ]	12 kA
With back-up fuse	PN3(N3)-400…630: 630 A gG/gL
400 … 415 V	100 kA
690 V	80 kA
With downstream fuse	PN3(N3)-400…630: 630 A gG/gL
400 … 415 V	100 kA
690 V	80 kA
Rated operational current [Ie ] >AC-22/23A >415 V [Ie]	630 A
Rated operational current [Ie ] >AC-22/23A >690 V [Ie]	630 A
Lifespan, mechanical [Operations]	15000
Max. operating frequency	60 Ops/h
AC-1 >400 V 50/60 Hz [Operations]	5000
AC-1 >415 V 50/60 Hz [Operations]	5000
AC-1 >690 V 50/60 Hz [Operations]	3000
AC-3 >400 V 50/60 Hz [Operations]	3000
AC-3 >415 V 50/60 Hz [Operations]	3000
AC-3 >690 V 50/60 Hz [Operations]	2000
Accessories required	NZM3-4-XAVS socket base
Copper conductors and cables >Box terminal >Solid	2 x 16 mm2
Copper conductors and cables >Box terminal >Stranded	1 x (35 - 240) 2 x (25 - 120) mm2
Copper conductors and cables >Tunnel terminal >Stranded >1-hole	1 x (25 - 185) mm2
Copper conductors and cables >Tunnel terminal >Stranded >Double hole	1 x (50 - 240) 2 x (50 - 240) mm2
Copper conductors and cables >Bolt terminal and rear-side connection >Direct on the switch >Solid	1 x 16 2 x 16 mm2
Copper conductors and cables >Bolt terminal and rear-side connection >Direct on the switch >Stranded	1 x (25 - 120) 2 x (25 - 120) mm2
Copper conductors and cables >Bolt terminal and rear-side connection >Connection width extension >Connection width extension	2 x 300 mm2
Al conductors, Al cable >Tunnel terminal >Solid	1 x 16 mm2
Al conductors, Al cable >Tunnel terminal >Stranded >1-hole	1 x (25 - 185) 2) mm2
Al conductors, Al cable >Tunnel terminal >Stranded	2) Je nach Kabelhersteller bis zu 240 mm² anschließbar.
Al conductors, Al cable >Tunnel terminal >Stranded >Double hole	1 x (50 - 240) 2 x (50 - 240) mm2
Al conductors, Al cable >Bolt terminal and rear-side connection >Direct on the switch >Solid	1 x 16 2 x (10 - 16) mm2
Al conductors, Al cable >Bolt terminal and rear-side connection >Direct on the switch >Stranded	1 x (25 - 120) 2 x (25 - 120) mm2
Cu strip (number of segments x width x segment thickness) >Box terminal [min.]	6 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness) >Box terminal [max.]	10 x 24 x 1.0 + 5 x 24 x 1.0 (2 x) 8 x 24 x 1.0 mm
Cu strip (number of segments x width x segment thickness) >Bolt terminal and rear-side connection >Flat copper strip, with holes [min.]	6 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness) >Bolt terminal and rear-side connection >Flat copper strip, with holes [max.]	10 x 32 x 1.0 + 5 x 32 x 1.0 mm
Cu strip (number of segments x width x segment thickness) >Bolt terminal and rear-side connection >Connection width extension	(2 x) 10 x 50 x 1.0 mm
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Screw connection	M10
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Direct on the switch [min.]	20 x 5 mm
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Connection width extension >Connection width extension [max.]	2 x (10 x 50) mm
Rated operational current for specified heat dissipation [In]	400 A
Equipment heat dissipation, current-dependent [Pvid]	43.2 W
Operating ambient temperature min.	-25 °C
Operating ambient temperature max.	+70 °C
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.5 Lifting	Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts >10.2.6 Mechanical impact	Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts >10.2.7 Inscriptions	Meets the product standard´s requirements.
10.3 Degree of protection of ASSEMBLIES	Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances	Meets the product standard´s requirements.
10.5 Protection against electric shock	Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components	Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections	Is the panel builder´s responsibility.
10.8 Connections for external conductors	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.2 Power-frequency electric strength	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.3 Impulse withstand voltage	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material	Is the panel builder´s responsibility.
10.10 Temperature rise	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Version as main switch	Yes
Version as maintenance-/service switch	Yes
Version as safety switch	No
Version as emergency stop installation	Yes
Version as reversing switch	No
Number of switches	1
Max. rated operation voltage Ue AC	690 V
Rated operating voltage	690 - 690 V
Rated permanent current Iu	400 A
Rated permanent current at AC-23, 400 V	0 A
Rated permanent current at AC-21, 400 V	0 A
Rated operation power at AC-3, 400 V	0 kW
Rated short-time withstand current lcw	12 kA
Rated operation power at AC-23, 400 V	200 kW
Switching power at 400 V	0 kW
Conditioned rated short-circuit current Iq	0 kA
Number of poles	4
Number of auxiliary contacts as normally closed contact	0
Number of auxiliary contacts as normally open contact	0
Number of auxiliary contacts as change-over contact	0
Motor drive optional	Yes
Motor drive integrated	No
Voltage release optional	Yes
Device construction	Built-in device slide-in technique (withdrawable)
Suitable for ground mounting	Yes
Suitable for front mounting 4-hole	No
Suitable for front mounting centre	No
Suitable for distribution board installation	Yes
Suitable for intermediate mounting	Yes
Colour control element	Black
Type of control element	Rocker lever
Interlockable	Yes
Type of electrical connection of main circuit	Screw connection
Degree of protection (IP), front side	IP20
Degree of protection (NEMA)

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