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WFS 4

Fuse terminal, Screw connection, black, 4 mm², 6.3 A, 400 V, Number of connections: 2, Number of levels: 1, TS 35, V-0, Wemid, G-Si. 5 x 20

Product ID 2561900000

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General ordering data

Version	Fuse terminal, Screw connection, black, 4 mm², 6.3 A, 400 V, Number of connections: 2, Number of levels: 1, TS 35, V-0, Wemid, G-Si. 5 x 20
Order No.	2561900000
Type	WFS 4
GTIN (EAN)	4050118570403
Qty.	50 items

Dimensions and weights

Depth	75 mm
Depth (inches)	2,953 inch
Depth including DIN rail	75,5 mm
Height	62,5 mm
Height (inches)	2,461 inch
Width	6,1 mm
Width (inches)	0,24 inch
Net weight	17,435 g

Temperatures

Storage temperature	-25 °C...55 °C
Continuous operating temp., min.	-60 °C
Continuous operating temp., max.	130 °C

Environmental Product Compliance

RoHS Compliance Status	Compliant without exemption
REACH SVHC	No SVHC above 0.1 wt%

Material data

Material	Wemid
Colour	black
UL 94 flammability rating	V-0

Rating data IECEx/ATEX

Certificate No. (ATEX)	TÜV20ATEX8502U
Certificate No. (IECEX)	IECEXTUR20.0014U
Max. voltage (ATEX)	250 V
Current (ATEX)	6.3 A
Wire cross section max. (ATEX)	6 mm²
Max. voltage (IECEX)	250 V
Current (IECEX)	6.3 A
Wire cross section max. (IECEX)	6 mm²

System specifications

Version	Screw connection Fuse isolator
End cover plate required	Yes
Number of potentials	1
Number of levels	1
Number of clamping points per level	2
Number of potentials per tier	1
Levels cross-connected internally	No
PE connection	No
Rail	TS 35
N-function	No
PE function	No
PEN function	No

2 clampable conductors (H05V/H07V) with equal cross-section (rated connection)

Wire connection cross section, finely stranded with wire-end ferrules DIN 46228/1, 2 clampable wires, max.	1,5 mm²
Wire connection cross section, finely stranded with wire-end ferrules DIN 46228/1, 2 clampable wires, min.	0,5 mm²
Wire connection cross section, finely stranded, two clampable wires, min.	0,5 mm²
Wire cross-section, finely stranded, two clampable wires, max.	1,5 mm²

Additional technical data

Open sides	right
Type of mounting	Snap-on

Conductors for clamping (additional connection)

Connection type, additional connection

Screw connection

Conductors for clamping (rated connection)

Blade size	0.6 x 3.5 mm
Clampable conductor	Connection specification: Screw connection Cross-section for conductor connection: Type: solid, H05(07) V-U min.: 0,5 mm² max.: 6 mm² nominal: 4 mm² wire end ferrule: Stripping length: min.: 13 mm max.: 13 mm nominal: 13 mm Tightening torque: min.: 0,5 Nm max.: 0,6 Nm Connection specification: Screw connection Cross-section for conductor connection: Type: stranded, H07V-R min.: 1,5 mm² max.: 6 mm² nominal: 4 mm² wire end ferrule: Stripping length: min.: 13 mm max.: 13 mm nominal: 13 mm Tightening torque: min.: 0,5 Nm max.: 0,6 Nm Connection specification: Screw connection Cross-section for conductor connection: Type: flexible, H05(07) V-K min.: 0,5 mm² max.: 4 mm² nominal: 4 mm² wire end ferrule: Stripping length: min.: 13 mm max.: 13 mm nominal: 13 mm Tightening torque: min.: 0,5 Nm max.: 0,6 Nm
Clamping range, max.	6 mm²
Clamping range, min.	0,22 mm²
Clamping screw	M 3
Connection cross-section, stranded, max.	6 mm²
Connection cross-section, stranded, min.	1,5 mm²
Connection direction	on side
Gauge to IEC 60947-1	A4
Number of connections	2
Stripping length	13 mm
Tightening torque, max.	0,6 Nm
Tightening torque, min.	0,5 Nm
Torque level with DMS electric screwdriver	2
Type of connection	Screw connection
Type of connection 2	Screw connection
Wire connection cross section AWG, max.	AWG 10
Wire connection cross section AWG, min.	AWG 26
Wire connection cross section, finely stranded, max.	4 mm²
Wire connection cross section, finely stranded, min.	0,5 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, max.	4 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/1, min.	0,5 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, max.	4 mm²
Wire connection cross-section, finely stranded with wire-end ferrules DIN 46228/4, min.	0,5 mm²
Wire connection cross-section, solid core, max.	6 mm²
Wire connection cross-section, solid core, min.	0,5 mm²

CSA rating data

Certificate No. (CSA)	200039-1057876
Current size B (CSA)	10 A
Current size D (CSA)	10 A
Voltage size B (CSA)	300 V
Voltage size D (CSA)	300 V
Wire cross section max. (CSA)	10 AWG
Wire cross section min. (CSA)	22 AWG

Display element

Current	6,3 A
Type of voltage for indicator	AC/DC

Fuse terminals

Cartridge fuse	G-Si. 5 x 20
Current	6,3 A
Display	Without LED
Fuse holder (cartridge holder)	Pivoting
Operating voltage, max.	250 V
Type of voltage for indicator	AC/DC

General

Rail	TS 35
Standards	IEC 60947-7-3
Wire connection cross section AWG, max.	AWG 10
Wire connection cross section AWG, min.	AWG 26

Rating data

Rated cross-section	4 mm²
Rated voltage	400 V
Rated voltage to adjoining terminal	400 V
Rated DC voltage	400 V
Rated current	6,3 A
Current at maximum wires	6,3 A
Standards	IEC 60947-7-3
Volume resistance according to IEC 60947-7-x	1 mΩ
Rated impulse withstand voltage	6 kV
Power loss in accordance with IEC 60947-7-x	1,02 W
Pollution severity	3

UL rating data

Certificate No. (cURus)	E60693
Conductor size Factory wiring max. (cURus)	10 AWG
Conductor size Factory wiring min. (cURus)	22 AWG
Conductor size Field wiring max. (cURus)	10 AWG
Conductor size Field wiring min. (cURus)	22 AWG
Current size B (cURus)	10 A
Current size D (cURus)	10 A
Voltage size B (cURus)	300 V
Voltage size D (cURus)	300 V

Important note

Product information

The voltage depends on the selected fuse element or the selected indicator light

Downloads

Approval/Certificate/Document of Conformity	[Attestation of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_207076) [IECEx Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_207073) [ATEX Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_207074) [DNV Certificate](https://mdcop.weidmueller.com/mediadelivery/asset/900_320351) [CE Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_79213) [UKCA declaration of conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_284530) [Confirmation of Standards EN 45545-2_2020-10](https://mdcop.weidmueller.com/mediadelivery/asset/900_308425)
Engineering Data	[CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_74608)
Eplan Data Portal	[Eplan data](https://dataportal.eplan.com/part-details/WEI.2561900000)
CADENAS eCATALOG	[CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=2561900000)
User Documentation	[StorageConditionsTerminalBlocks](https://mdcop.weidmueller.com/mediadelivery/asset/900_87149) [NTI WFS 4](https://mdcop.weidmueller.com/mediadelivery/asset/900_207077) [NTI WFS 4](https://mdcop.weidmueller.com/mediadelivery/asset/900_302470)
Catalogues	[Catalogues in PDF-format](LINK/Catalog.html)

Classifications

ETIM 6.0	EC000899
ETIM 7.0	EC000899
ETIM 8.0	EC000899
ETIM 9.0	EC000899
ECLASS 9.0	27-14-11-16
ECLASS 9.1	27-14-11-16
ECLASS 10.0	27-14-11-16
ECLASS 11.0	27-14-11-16
ECLASS 12.0	27-14-11-16
ECLASS 13.0	27-25-01-13
ECLASS 14.0	27-25-01-13

Approvals

Approvals	![CE](/picture/CE.gif) ![CSA](/picture/CSA.gif) ![CURUS](/picture/CURUS.gif) ![DETNORVER](/picture/DETNORVER.gif) ![IECEXTUR](/picture/IECEXTUR.gif) ![KEMAKEUR](/picture/KEMAKEUR.gif) ![TUEVNATEX](/picture/TUEVNATEX.gif) ![UKCA](/picture/UKCA.gif)
ROHS	Conform
UL File Number Search	[UL Website](LINK/UL_search.html)
Certificate No. (cURus)	E60693

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