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Wago
281-6524-conductor through terminal block; 4 mm²; center marking; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®; 4,00 mm²; gray
Wago 281-657
4-conductor ground terminal block; 4 mm²; center marking; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®; 4,00 mm²; green-yellow
- MPN
- 281-657
- Category
- Rail-Mount Terminal Blocks
Price and lead time confirmed within 1 business day
Request a Quote
- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
- Ships via
What is the Wago 281-657?
Ground terminal block, 281 Series, operating tool
Easily, quickly and safely connect conductors with this ground terminal block (item number 281-657). Ensure that the strip lengths are between 9 and 10 mm when connecting conductors to this ground terminal block. WAGO's ground terminal blocks allow you to connect electrical conductors directly to the mounting rail thanks to an integrated contact foot. This connection ensures both electrical and mechanical stability between the conductors and the mounting adapter. Featuring conductor terminals along with CAGE CLAMP®, this product delivers reliable performance. Our proven universal connection known as CAGE CLAMP® is industry-leading when it comes to connection technology and electrical interconnections. This ground terminal block is suitable for conductor cross sections ranging from 0.08 mm² to 4 mm².
This through rail-mount terminal block is operated with an operating tool.
Specifications
Electrical data - Ratings per IEC/EN
| Ratings per | IEC/EN 60947-7-2 |
| Ratings per | IEC/EN 60947-7-2 / IEC/EN 60947-7-2 / IEC/EN 60947-7-2 |
| Overvoltage category | III / III / II |
| Pollution degree | 3 / 2 / 2 |
Electrical data - General information
| Wiring direction | Front-entry wiring |
Connection data
| Clamping units | 4 |
| Total number of potentials | 1 |
| Number of levels | 1 |
Connection data - Connection 1
| Connection technology | CAGE CLAMP® |
| Actuation type | Operating tool |
| Connectable conductor materials | Copper, Aluminum |
| Connectable conductor materials (note) | Terminating Aluminum ConductorsWAGO Spring-Clamp Terminal Blocks are suitable for solid aluminum conductors up to 4 mm²/12 AWG if WAGO “Alu-Plus” Contact Paste 249-130 is used for termination.“Alu-Plus” Contact Paste Advantages:Automatically destroys the oxide film during clamping.Prevents fresh oxidation at the clamping point.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, aluminum conductors must first be cleaned with a blade and then immediately inserted into the clamping units filled with “Alu-Plus” contact paste.It is also possible to apply WAGO “Alu-Plus” additionally on the whole surface of the aluminum conductor before termination.Please note that the nominal currents must be adapted to the reduced conductivity of the aluminum conductors:2.5 mm² = 16 A4 mm² = 22 A |
| Nominal cross-section | 4 mm² |
| Solid conductor | 0.08 … 4 mm² / 28 … 12 AWG |
| Fine-stranded conductor | 0.08 … 4 mm² / 28 … 12 AWG |
| Strip length | 9 … 10 mm / 0.35 … 0.39 inches |
| Wiring direction | Front-entry wiring |
Physical data
| Width | 6 mm / 0.236 inches |
| Height | 86 mm / 3.386 inches |
| Depth from upper-edge of DIN-rail | 29 mm / 1.142 inches |
Mechanical data
| Design | horizontal type |
| Mounting type | DIN-35 rail |
| Marking level | Center marking |
Material data
| Note (material data) | Information on material specifications can be found here |
| Color | green-yellow |
| Material group | I |
| Insulation material (main housing) | Polyamide (PA66) |
| Flammability class per UL94 | V0 |
| Fire load | 0.193 MJ |
| Weight | 17.6 g |
Environmental requirements
| Processing temperature | -35 … +85 °C |
| Continuous operating temperature | -60 … +105 °C |
Commercial data
| Product Group | 1 (Rail Mounted Terminal Blocks) |
| PU (SPU) | 50 pcs |
| Packaging type | box |
| Country of origin | DE |
| GTIN | 4044918512008 |
| Customs tariff number | 85369010000 |
Product Classification
| UNSPSC | 39121410 |
| eCl@ss 10.0 | 27-14-11-41 |
| eCl@ss 9.0 | 27-14-11-41 |
| ETIM 9.0 | EC000901 |
| ETIM 10.0 | EC000901 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| CAS-No. | 7439-92-1 |
| REACH Candidate List Substance | Lead |
| RoHS Compliance Status | Compliant,No Exemption |
| SCIP notification number (Austria) | 08e0df66-8c93-47e7-976c-cc1ecfc8278b |
| SCIP notification number (Belgium) | f0f16a95-e10b-450c-97be-95e2171b9f14 |
| SCIP notification number (Bulgaria) | 862a35da-b887-4e7d-a9fe-e2b3f606d2ca |
| SCIP notification number (Czech Republic) | 831390c9-5cf2-4663-a3ab-df4f263a2a26 |
| SCIP notification number (Denmark) | ee977d32-2ff8-4819-a6b3-369df8d284a9 |
| SCIP notification number (Finland) | 87192266-7595-4564-b622-9ed4a789541e |
| SCIP notification number (France) | 6f3ef5e9-bbaa-4572-bab3-0055f5b6e609 |
| SCIP notification number (Germany) | 0c69e9a6-219c-485b-ac75-43d861d1d80f |
| SCIP notification number (Hungary) | f10c00d0-f78b-4755-b244-824168cc9715 |
| SCIP notification number (Italy) | 82fbbd24-fbc9-4372-89d7-f505c8aa59ec |
| SCIP notification number (Netherlands) | 6ce9828f-b995-4fd7-978c-a5fa06544572 |
| SCIP notification number (Poland) | 41db800c-e203-4e01-8056-db02f2838af4 |
| SCIP notification number (Romania) | d2489151-d4b2-44dc-b9a2-8390d9358807 |
| SCIP notification number (Sweden) | 3f592ba7-e308-4505-b66f-1eb270fe5300 |
281-657: frequently asked questions
When can 281-657 be shipped?
281-657 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 281-657 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 281-657 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 281-657, subject to availability and destination.
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Wago 281-657Price and lead time confirmed within 1 business day
Request a Quote