Page 1
Data sheet | Item number:281-657
4-conductor ground terminal block; 4 mm²; center marking; for DIN-rail 35 x
15 and 35 x 7.5; CAGE CLAMP®
Color:
Item description
Note:
Terminating Aluminum Conductors
WAGO spring clamp terminal blocks are suitable for solid aluminum conductors up to 4mm²/12AWG if WAGO “Alu-Plus” Contact Paste is used for
termination.
“Alu-Plus” Contact Paste Advantages:
Automatically destroys the oxide film during clamping.
Prevents fresh oxidation at the clamping point.
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Data sheet | Item number:281-657
Prevents electrolytic corrosion between aluminum and copper conductors (in the same terminal block).
Provides long-term protection against corrosion.
Using terminal blocks with CAGE CLAMP® Spring Pressure Connection Technology, and aluminum conductors must first be cleaned with a blade
then immediately be inserted into the clamping units filled with “Alu-Plus” Contact Paste.
It is also possible to apply WAGO “Alu-Plus” on the whole surface of the aluminum conductor before termination.additionally
Please note that the nominal currents must be adapted to the reduced conductivity of the aluminum conductors:
2.5mm² (14 AWG) = 16 A
4mm² (12 AWG) = 22 A
Data
Connection data
Connection technology
CAGE CLAMP
®
Actuation type Operating tool
Connectable conductor materials Copper
Aluminum
Solid conductor 0.08 … 4mm²/ 28 … 12AWG
Fine-stranded conductor 0.08 … 4mm²/ 28 … 12AWG
Strip length 9 … 10mm/ 0.35 … 0.39inch
Total number of connection points 4
Total number of potentials 1
Number of levels 1
Type of wiring Front-entry wiring
Geometrical Data
Width 6mm/ 0.236inch
Height from upper-edge of DIN-35 rail 29mm/ 1.142inch
Depth 86mm/ 3.386inch
Mechanical data
Design horizontal
Type of mounting DIN-35 rail
Marking level Center marking
Material Data
Color green-yellow
Insulating material Polyamide 66 (PA 66)
Fire load 0.193 MJ
Weight 17.65g
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Data sheet | Item number:281-657
Weight 17.65g
Commercial data
Product Group 1 (Rail Mounted Terminal Blocks)
Country of origin DE
GTIN 4044918512008
Customs Tariff No. 85369010000
Approvals / Certificates
Country specific Approvals
Logo Approval Additional Approval Text
Certificate
name
CCA
DEKRA Certification B.V.
EN 60947 NTR NL-
7454/A1
CCA
DEKRA Certification B.V.
IEC 60947 NTR NL-
7454/A1
CSA
DEKRA Certification B.V.
C22.2 No. 158 1505034
KEMA/KEUR
DEKRA Certification B.V.
EN 60947 71-
107288
Ship Approvals
Logo Approval Additional Approval Text
Certificate
name
ABS
American Bureau of Shipping
- 14HG1293677PDA
BV
Bureau Veritas S.A.
EN 60947 07436/E0 BV
DNV GL
Det Norske Veritas, Germanischer Lloyd
- TAE00001V2
LR
Lloyds Register
EN 60947 91/20112
(E9)
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Data sheet | Item number:281-657
UL-Approvals
Logo Approval Additional Approval Text
Certificate
name
UL
UL International Germany GmbH
UL 1059 E45172
Compatible products
Jumper
Item no.: 210-103
Wire commoning chain; insulated; 50 connections
210-103
Item no.: 210-123
Wire commoning chain; insulated; 50 connections
210-123
Item no.: 249-123
Push-in type wire jumper; insulated; wire length 180 mm; Conductor cross section 0.75 mm²
249-123
Item no.: 249-125
Push-in type wire jumper; insulated; wire length 60 mm; Conductor cross section 0.75 mm²
249-125
Item no.: 249-126
Push-in type wire jumper; insulated; wire length 110 mm; Conductor cross section 0.75 mm²
249-126
Item no.: 249-127
Push-in type wire jumper; insulated; wire length 250 mm; Conductor cross section 0.75 mm²
249-127
Item no.: 281-402
Adjacent jumper; insulated; IN = IN terminal block
281-402
Item no.: 281-409
Alternate jumper; insulated; IN = IN terminal block
281-409
Item no.: 281-422
Adjacent jumper; insulated; IN = IN terminal block
281-422
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Page 5
Data sheet | Item number:281-657
Item no.: 281-482
Comb-style jumper bar; insulated; 2-way; IN = IN terminal block
281-482
Item no.: 281-483
Comb-style jumper bar; insulated; 3-way; IN = IN terminal block
281-483
Item no.: 281-485
Comb-style jumper bar; insulated; 5-way; IN = IN terminal block
281-485
Item no.: 281-490
Comb-style jumper bar; insulated; 10-way; IN = IN terminal block
281-490
Item no.: 281-492
Alternate comb-style jumper bar; insulated; 2-way; IN = IN terminal block
281-492
Item no.: 709-110
Wire commoning chain; insulated; 4 connections; 3 x 110 mm
709-110
Item no.: 709-111
Wire commoning chain; insulated; 3 connections; 2 x 120 mm
709-111
Item no.: 709-112
Wire commoning chain; insulated; 3 connections; 2 x 170 mm
709-112
Item no.: 781-452
Staggered jumper; insulated; from 1 to 2; Spacing: 6 mm
781-452
Item no.: 781-453
Staggered jumper; insulated; from 1 to 3; Spacing: 6 mm
781-453
Item no.: 781-454
Staggered jumper; insulated; from 1 to 4; Spacing: 6 mm
781-454
Item no.: 781-455
Staggered jumper; insulated; from 1 to 5; Spacing: 6 mm
781-455
Item no.: 781-456
Staggered jumper; insulated; from 1 to 6; Spacing: 6 mm
781-456
assembling
Item no.: 209-106
Mounting carrier; for isolated mounting on DIN 35 rails
209-106
Item no.: 709-153
Cover; Type 1; suitable for cover carrier, type 1; 1 m long
709-153
Carrier rail
Item no.: 210-112
Steel carrier rail; 35 x 7.5 mm; 1 mm thick; 2 m long; slotted; according to EN 60715; "Hole width 25
mm
210-112
Item no.: 210-113
Steel carrier rail; 35 x 7.5 mm; 1 mm thick; 2 m long; unslotted; according to EN 60715
210-113
Item no.: 210-114
Steel carrier rail; 35 x 15 mm; 1.5 mm thick; 2 m long; unslotted; similar to EN 60715
210-114
Item no.: 210-115
Steel carrier rail; 35 x 7.5 mm; 1 mm thick; 2 m long; slotted; according to EN 60715; "Hole width 18
mm
210-115
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Data sheet | Item number:281-657
Item no.: 210-118
Steel carrier rail; 35 x 15 mm; 2.3 mm thick; 2 m long; unslotted; according to EN 60715
210-118
Item no.: 210-196
Aluminum carrier rail; 35 x 8.2 mm; 1.6 mm thick; 2 m long; unslotted; similar to EN 60715
210-196
Item no.: 210-197
Steel carrier rail; 35 x 15 mm; 1.5 mm thick; 2 m long; slotted; similar to EN 60715
210-197
Item no.: 210-198
Copper carrier rail; 35 x 15 mm; 2.3 mm thick; 2 m long; unslotted; according to EN 60715
210-198
Item no.: 210-504
Steel carrier rail; 35 x 7.5 mm; 1 mm thick; 2 m long; slotted; galvanized; according to EN 60715
210-504
Item no.: 210-505
Steel carrier rail; 35 x 7.5 mm; 1 mm thick; 2 m long; unslotted; galvanized; according to EN 60715
210-505
Item no.: 210-506
Steel carrier rail; 35 x 15 mm; 1.5 mm thick; 2 m long; unslotted; galvanized; similar to EN 60715
210-506
Item no.: 210-508
Steel carrier rail; 35 x 15 mm; 1.5 mm thick; 2 m long; slotted; galvanized; similar to EN 60715
210-508
Insulation stop
Item no.: 281-470
Insulation stop; 0.08 - 0.2 mm² "s" (0.14 mm² "f-st"); 5 pieces/strip
281-470
Item no.: 281-471
Insulation stop; 0.25 - 0.5 mm²; 5 pieces/strip
281-471
Item no.: 281-472
Insulation stop; 0.75 - 1.5 mm²; 5 pieces/strip
281-472
General accessories
Item no.: 249-105
Group marker carrier
249-105
Item no.: 249-147
B-type test plug module; modular
249-147
Item no.: 249-148
B-type spacer module; modular; e.g., for bridging commoned terminal blocks
249-148
Item no.: 280-404
Test plug adapter; 5 mm wide; for test plug 210-137 (2.3 mm Ø); suitable for 1.5 mm² - 4 mm² tbs
280-404
Item no.: 281-407
Test plug; 6 mm wide; Nominal current 24 A; for 0.08 mm² - 2.5 mm²
281-407
Item no.: 281-418
Test plug module; modular; suitable for all WAGO 281, 776, 777 and 781 series rail-mounted terminal
blocks with jumper slots in the current bar
281-418
Item no.: 281-419
Spacer module; modular; bridging commoned terminal blocks
281-419
Protective Warning Marker
281-657
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Page 7
Data sheet | Item number:281-657
Item no.: 281-415
Protective warning marker; with high-voltage symbol, black; for 5 terminal blocks
281-415
check
Item no.: 209-170
Test plug adapter; 8.3 mm wide; for 4 mm Ø test plugs; suitable for 1.5 mm² - 10 mm² tbs
209-170
ferrule
Item no.: 216-106
Ferrule; Sleeve for 2.5 mm² / AWG 14; uninsulated; electro-tin plated
216-106
Item no.: 216-201
Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated
216-201
Item no.: 216-202
Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated
216-202
Item no.: 216-203
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated
216-203
Item no.: 216-204
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated
216-204
Item no.: 216-205
Ferrule; Sleeve for 2.08 mm² / AWG 14; insulated; electro-tin plated
216-205
Item no.: 216-206
Ferrule; Sleeve for 2.5 mm² / AWG 14; insulated; electro-tin plated
216-206
Item no.: 216-241
Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90
216-241
Item no.: 216-242
Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90
216-242
Item no.: 216-243
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90
216-243
Item no.: 216-244
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90
216-244
Item no.: 216-246
Ferrule; Sleeve for 2.5 mm² / AWG 14; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90
216-246
Item no.: 216-301
Ferrule; Sleeve for 0.25 mm² / AWG 24; insulated; electro-tin plated
216-301
Item no.: 216-302
Ferrule; Sleeve for 0.34 mm² / 22 AWG; insulated; electro-tin plated
216-302
End plate
Item no.: 281-334
End and intermediate plate; 2.5 mm thick
281-334
Item no.: 281-335
End and intermediate plate; 2.5 mm thick
281-335
281-657
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Page 8
Data sheet | Item number:281-657
Item no.: 281-338
Separator plate; 2 mm thick; oversized
281-338
Item no.: 281-339
Separator plate; 2 mm thick; oversized
281-339
Marking accessories
Item no.: 2009-115
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
Item no.: 2009-115/000-002
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-002
Item no.: 2009-115/000-006
WMB-Inline; for smartPRINTER; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-006
Item no.: 2009-115/000-007
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-007
Item no.: 2009-115/000-012
WMB-Inline; for smartPRINTER; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-012
Item no.: 2009-115/000-017
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-017
Item no.: 2009-115/000-023
WMB-Inline; for Smart Printer; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-023
Item no.: 2009-115/000-024
WMB-Inline; for smartPRINTER; on reel; stretchable 5 - 5.2 mm; plain; snap-on type
2009-115
/000-024
Item no.: 209-140
Group marker carrier
209-140
Item no.: 209-141
Group marker carrier
209-141
Item no.: 209-142
Group marker carrier
209-142
Item no.: 209-185
Adaptor
209-185
Item no.: 793-501
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
Item no.: 793-501/000-002
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-002
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Data sheet | Item number:281-657
Item no.: 793-501/000-005
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-005
Item no.: 793-501/000-006
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-006
Item no.: 793-501/000-007
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-007
Item no.: 793-501/000-012
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-012
Item no.: 793-501/000-017
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-017
Item no.: 793-501/000-023
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-023
Item no.: 793-501/000-024
WMB marking card; as card; not stretchable; plain; snap-on type
793-501
/000-024
Item no.: 793-5501
WMB marking card; as card; for terminal block width 5 - 17.5 mm; stretchable 5 - 5.2 mm; plain; snapon type
793-5501
Item no.: 793-5501/000-002
WMB marking card; as card; for terminal block width 5 - 17.5 mm; stretchable 5 - 5.2 mm; plain; snapon type
793-5501
/000-002
Item no.: 793-5501/000-005
WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-005
Item no.: 793-5501/000-006
WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-006
Item no.: 793-5501/000-007
WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-007
Item no.: 793-5501/000-012
WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-012
Item no.: 793-5501/000-017
WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-017
Item no.: 793-5501/000-023
WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-023
281-657
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Data sheet | Item number:281-657
Item no.: 793-5501/000-024
WMB marking card; as card; stretchable 5 - 5.2 mm; plain; snap-on type
793-5501
/000-024
tools
Item no.: 210-657
Operating tool with partially insulated shaft; Blade (3.5 x 0.5) mm; short
210-657
Item no.: 210-658
Operating tool with partially insulated shaft; Blade (3.5 x 0.5) mm; short; angled
210-658
Item no.: 210-720
Operating tool with partially insulated shaft; Type 2, blade (3.5 x 0.5) mm
210-720
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