Connectivity
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Terminal blocks for the direct lettering
Accessories
SNAP IN technology
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W-Series
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Standard
Compact
Mini-modular terminal blocks for enclosure wiring
Feed-through terminal blocks
Modular PE terminal blocks
Fuse terminal blocks
Modular test-disconnect terminal blocks
Pluggable terminal blocks
Modular terminal blocks with electronic components
terminal blocks with spring-loaded cable clamp
terminal blocks with miscellaneous connection
1-tier
2-tier
3-tier
1.5 mm²
2.5 mm²
4 mm²
6 mm²
10 mm²
16 mm²
General ordering data
Version
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.
1781720000
Type
WDU 2.5 PACK
GTIN (EAN)
4032248174683
Qty.
1 pc(s).
Dimensions and weights
Depth
46.5 mm
Depth (inches)
1.831 inch
Net weight
127.436 g
Temperatures
Storage temperature
-25 °C...55 °C
Operating temperature range
For operating temperature range see EC Design Test Certificate / IEC Ex-Certificate of Conformity
Continuous operating temp., min.
-60 °C
Continuous operating temp., max.
130 °C
Material data
Material
Wemid
Colour
dark beige
UL 94 flammability rating
V-0
Rating data IECEx/ATEX
Certificate No. (ATEX)
DEMKO14ATEX1338U
Certificate No. (IECEX)
IECEXULD14.0005U
Max. voltage (ATEX)
690 V
Current (ATEX)
24 A
Wire cross section max. (ATEX)
2.5 mm²
Max. voltage (IECEX)
690 V
Current (IECEX)
24 A
Wire cross section max. (IECEX)
2.5 mm²
Operating temperature range
For operating temperature range see EC Design Test Certificate / IEC Ex-Certificate of Conformity
Marking EN 60079-7
Ex eb II C Gb
Ex 2014/34/EU label
II 2 G D
System specifications
Version
Screw connection, for plug-in cross-connector, for screwable cross-connection, One end without connector
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)
Cross-section for connected wire, solid, two clampable wires, max.
1.5 mm²
Cross-section for connected wire, solid, two clampable wires, min.
0.5 mm²
Additional technical data
Type of mounting
Snap-on
Conductors for clamping (rated connection)
Clampable conductor
Connection specification
Screw connection
Cross-section for conductor connection
Type
solid, H05(07) V-U
min.
0.5 mm²
max.
4 mm²
nominal
2.5 mm²
wire end ferrule
Stripping length
min.
10 mm
max.
10 mm
nominal
10 mm
Tightening torque
Connection specification
Screw connection
Cross-section for conductor connection
Type
stranded, H07V-R
min.
1.5 mm²
max.
4 mm²
nominal
2.5 mm²
wire end ferrule
Stripping length
min.
10 mm
max.
10 mm
nominal
10 mm
Tightening torque
Connection specification
Screw connection
Cross-section for conductor connection
Type
flexible, H05(07) V-K
min.
0.5 mm²
max.
2.5 mm²
nominal
2.5 mm²
wire end ferrule
Stripping length
min.
10 mm
max.
10 mm
nominal
10 mm
Tightening torque
Clamping screw
M 2.5
Number of connections
2
Stripping length
10 mm
Type of connection
Screw connection
Rating data
Rated cross-section
2.5 mm²
Rated voltage
800 V
Rated DC voltage
800 V
Rated current
24 A
Volume resistance according to IEC 60947-7-x
1.33 mΩ
Power loss in accordance with IEC 60947-7-x
0.77 W
UL rating data
Certificate No. (UR)
E60693
Conductor size Factory wiring max. (UR)
12 AWG
Conductor size Factory wiring min. (UR)
30 AWG
Conductor size Field wiring max. (UR)
12 AWG
Conductor size Field wiring min. (UR)
28 AWG
Current size B (UR)
25 A
Current size C (UR)
25 A
Voltage size B (UR)
600 V
Voltage size C (UR)
600 V
Classifications
ETIM 6.0
EC000897
ETIM 7.0
EC000897
ETIM 8.0
EC000897
ETIM 9.0
EC000897
ECLASS 9.0
27-14-11-20
ECLASS 9.1
27-14-11-20
ECLASS 10.0
27-14-11-20
ECLASS 11.0
27-14-11-20
ECLASS 12.0
27-14-11-20
ECLASS 13.0
27-25-01-01
Order No.:
1020000000
Type:
WDU 2.5
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020080000
Type:
WDU 2.5 BL
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1037710000
Type:
WDU 2.5 BR
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020020000
Type:
WDU 2.5 GE
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020090000
Type:
WDU 2.5 GN
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1037720000
Type:
WDU 2.5 GR
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1412950000
Type:
WDU 2.5 HV
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 1000 V, 24 A, Number of connections: 2
Order No.:
1020060000
Type:
WDU 2.5 OR
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1037700000
Type:
WDU 2.5 PA/VI
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020040000
Type:
WDU 2.5 RT
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020010000
Type:
WDU 2.5 SW
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1036800000
Type:
WDU 2.5 WS
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1024700000
Type:
WDU 2.5/1.5/ZR
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 1
Order No.:
1024780000
Type:
WDU 2.5/1.5/ZR BL
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 1
Order No.:
1833830000
Type:
WDU 2.5/1.5/ZR RT
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 1
Order No.:
1833840000
Type:
WDU 2.5/1.5/ZR SW
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 1
Order No.:
1020700000
Type:
WDU 2.5/10 BEZ
Version:
Single- and multi-pole terminal strip, Screw connection, 2.5 mm², 500 V, 24 A, Number of poles: 10, 51 mm, dark beige
Order No.:
1020800000
Type:
WDU 2.5/10 BEZ/NE
Version:
Single- and multi-pole terminal strip, Screw connection, 2.5 mm², 500 V, 24 A, Number of poles: 10, 51 mm, dark beige
Version
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.
1781720000
Type
WDU 2.5 PACK
GTIN (EAN)
4032248174683
Qty.
1 pc(s).
Depth
46.5 mm
Depth (inches)
1.831 inch
Net weight
127.436 g
Storage temperature
-25 °C...55 °C
Operating temperature range
For operating temperature range see EC Design Test Certificate / IEC Ex-Certificate of Conformity
Continuous operating temp., min.
-60 °C
Continuous operating temp., max.
130 °C
Material
Wemid
Colour
dark beige
UL 94 flammability rating
V-0
Certificate No. (ATEX)
DEMKO14ATEX1338U
Certificate No. (IECEX)
IECEXULD14.0005U
Max. voltage (ATEX)
690 V
Current (ATEX)
24 A
Wire cross section max. (ATEX)
2.5 mm²
Max. voltage (IECEX)
690 V
Current (IECEX)
24 A
Wire cross section max. (IECEX)
2.5 mm²
Operating temperature range
For operating temperature range see EC Design Test Certificate / IEC Ex-Certificate of Conformity
Marking EN 60079-7
Ex eb II C Gb
Ex 2014/34/EU label
II 2 G D
Version
Screw connection, for plug-in cross-connector, for screwable cross-connection, One end without connector
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
Cross-section for connected wire, solid, two clampable wires, max.
1.5 mm²
Cross-section for connected wire, solid, two clampable wires, min.
0.5 mm²
Clampable conductor
Connection specification
Screw connection
Cross-section for conductor connection
Type
solid, H05(07) V-U
min.
0.5 mm²
max.
4 mm²
nominal
2.5 mm²
wire end ferrule
Stripping length
min.
10 mm
max.
10 mm
nominal
10 mm
Tightening torque
Connection specification
Screw connection
Cross-section for conductor connection
Type
stranded, H07V-R
min.
1.5 mm²
max.
4 mm²
nominal
2.5 mm²
wire end ferrule
Stripping length
min.
10 mm
max.
10 mm
nominal
10 mm
Tightening torque
Connection specification
Screw connection
Cross-section for conductor connection
Type
flexible, H05(07) V-K
min.
0.5 mm²
max.
2.5 mm²
nominal
2.5 mm²
wire end ferrule
Stripping length
min.
10 mm
max.
10 mm
nominal
10 mm
Tightening torque
Clamping screw
M 2.5
Number of connections
2
Stripping length
10 mm
Type of connection
Screw connection
Rated cross-section
2.5 mm²
Rated voltage
800 V
Rated DC voltage
800 V
Rated current
24 A
Volume resistance according to IEC 60947-7-x
1.33 mΩ
Power loss in accordance with IEC 60947-7-x
0.77 W
Certificate No. (UR)
E60693
Conductor size Factory wiring max. (UR)
12 AWG
Conductor size Factory wiring min. (UR)
30 AWG
Conductor size Field wiring max. (UR)
12 AWG
Conductor size Field wiring min. (UR)
28 AWG
Current size B (UR)
25 A
Current size C (UR)
25 A
Voltage size B (UR)
600 V
Voltage size C (UR)
600 V
ETIM 6.0
EC000897
ETIM 7.0
EC000897
ETIM 8.0
EC000897
ETIM 9.0
EC000897
ECLASS 9.0
27-14-11-20
ECLASS 9.1
27-14-11-20
ECLASS 10.0
27-14-11-20
ECLASS 11.0
27-14-11-20
ECLASS 12.0
27-14-11-20
ECLASS 13.0
27-25-01-01
Approvals
ROHS
Conform
UL File Number Search
UL Website
Certificate No. (UR)
E60693
Order No.:
1020000000
Type:
WDU 2.5
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020080000
Type:
WDU 2.5 BL
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1037710000
Type:
WDU 2.5 BR
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020020000
Type:
WDU 2.5 GE
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020090000
Type:
WDU 2.5 GN
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1037720000
Type:
WDU 2.5 GR
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1412950000
Type:
WDU 2.5 HV
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 1000 V, 24 A, Number of connections: 2
Order No.:
1020060000
Type:
WDU 2.5 OR
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1037700000
Type:
WDU 2.5 PA/VI
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020040000
Type:
WDU 2.5 RT
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1020010000
Type:
WDU 2.5 SW
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1036800000
Type:
WDU 2.5 WS
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 2
Order No.:
1024700000
Type:
WDU 2.5/1.5/ZR
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 1
Order No.:
1024780000
Type:
WDU 2.5/1.5/ZR BL
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 1
Order No.:
1833830000
Type:
WDU 2.5/1.5/ZR RT
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 1
Order No.:
1833840000
Type:
WDU 2.5/1.5/ZR SW
Version:
Feed-through terminal block, Screw connection, 2.5 mm², 800 V, 24 A, Number of connections: 1
Order No.:
1020700000
Type:
WDU 2.5/10 BEZ
Version:
Single- and multi-pole terminal strip, Screw connection, 2.5 mm², 500 V, 24 A, Number of poles: 10, 51 mm, dark beige
Order No.:
1020800000
Type:
WDU 2.5/10 BEZ/NE
Version:
Single- and multi-pole terminal strip, Screw connection, 2.5 mm², 500 V, 24 A, Number of poles: 10, 51 mm, dark beige
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