Product Description
The Weidmuller 2561900000 WFS 4 is a fuse terminal with screw connections, accommodating up to 4 mm² wires and 6.3 A current at 400 V. It features two connections on a single level and is designed for TS 35 mounting rails. The fuse terminal provides overcurrent protection and separation in a single system.
Screw connection
Fuse isolator
Suitable for TS 35 mounting rail
Product Highlights
Compact fuse terminal block with screw connection for easy installation and reliable circuit protection.
Product Information
Standard Information
Brand : Weidmuller
Manufacturer Part Number : 2561900000
Country of Origin : United States
Technical Specifications
Version
Fuse terminal, Screw connection, black, 4 mm
², 6.3 A, 400 V, Number of connections: 2, Number of levels: 1, TS 35
Depth (inches)
2.953 inch
Depth including DIN rail
75.5 mm
Height (inches)
2.461 inch
Storage temperature
-25 °C...55 °C
Ambient temperature
-60 °C
85 °C
Continuous operating temp., min.
-60 °C
Continuous operating temp., max.
130 °C
RoHS Compliance Status
Compliant without exemption
REACH SVHC
No SVHC above 0.1 wt%
UL 94 flammability rating
V-0
Certificate No. (ATEX)
TÜV20ATEX8502U
Certificate No. (IECEX)
IECEXTUR20.0014U
Max. voltage (ATEX)
250 V
Wire cross section max. (ATEX)
6 mm²
Max. voltage (IECEX)
250 V
Wire cross section max. (IECEX)
6 mm²
Screw connection
Screw connection
End cover plate required
Yes
Number of clamping points per level
2
Number of potentials per tier
1
Levels cross-connected internally
No
Connection type, additional connection
Screw connection
Clamping range, max.
6 mm²
Clamping range, min.
0.22 mm²
Connection cross-section, finely stranded, min.
0.22 mm²
Connection cross-section, stranded, max.
6 mm²
Connection cross-section, stranded, min.
0.22 mm²
Connection direction
on side
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.
0.22 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.
0.22 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.
0.22 mm²
Wire connection cross-section, solid core, max.
6 mm²
Wire connection cross-section, solid core, min.
0.22 mm²
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
Cartridge fuse
G-Si. 5 x 20
Fuse holder (cartridge holder)
Pivoting
Operating voltage, max.
250 V
Type of voltage for indicator
AC/DC
Rated cross-section
4 mm²
Rated voltage to adjoining terminal
400 V
Current at maximum wires
6.3 A
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
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
Material - Insulation
Thermoplastic, Wemid
Material Flammability Rating
UL94 V-0
Country of Origin
United States
Wire Gauge or Range - AWG
10-22 AWG
Wire Gauge or Range - mm²
0.5-6mm²
Disconnect Type
Fuse, Removable Plug
Minimum Wire Size AWG
26AWG
Maximum Wire Size AWG
10AWG
Minimum Operating Temperature
-60°C
Terminal Block Current
6.3A
Maximum Operating Temperature
130°C
Hazardous Area Certification
IECEx/ATEX
No. of Positions
2Positions
Wire Size (AWG)
26AWG to 10AWG
Wire Connection Method
Screw
Fuse Size Held
5mm x 20mm
SVHC
No SVHC (23-Jan-2024)