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Wago
279-9922-conductor through terminal block; 1.5 mm²; suitable for Ex e II applications; center marking; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®; 1,50 mm²; light gray
Wago 280-104
2-conductor through terminal block; 2.5 mm²; suitable for Ex i applications; lateral marker slots; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®; 2,50 mm²; blue
- MPN
- 280-104
- Category
- Rail-Mount Terminal Blocks
Price and lead time confirmed within 1 business day
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- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
- Ships via
What is the Wago 280-104?
Through terminal block, 280 Series, blue
Our through terminal block (item number 280-104) makes connections quick and easy. Ensure that the strip lengths are between 8 and 9 mm when connecting conductors to this through terminal block. Whether in industrial or building applications, our rail-mount through terminal blocks are the perfect solution to quickly and securely connect electrical conductors. Depending on the variant, you can use them for either typical through-wiring or potential distribution. This product features conductor terminals and utilizes CAGE CLAMP®. Our renowned universal connection known as CAGE CLAMP® is industry-leading when it comes to connection technology and electrical interconnections. Depending on the conductor type, this through terminal block is suitable for conductor cross sections ranging from 0.08 mm² to 2.5 mm².
An operating tool is used to operate this through rail-mount terminal block.
Specifications
Electrical data - Ratings per IEC/EN
| Ratings per | IEC/EN 60947-7-1 |
| Nominal voltage (III/3) | 800 V |
| Rated impulse withstand voltage (III / 3) | 8 kV |
| Rated current | 24 A |
| Legend (ratings) | (III / 3) ≙ Overvoltage category III / Pollution degree 3 |
| Ratings per | IEC/EN 60947-7-1 / IEC/EN 60947-7-1 / IEC/EN 60947-7-1 |
| Overvoltage category | III / III / II |
| Pollution degree | 3 / 2 / 2 |
| Nominal voltage | 800 V |
| Rated impulse withstand voltage | 8 kV |
| Rated current | 24 A |
Electrical data - Ratings per UL
| Approvals per | UL 1059 |
| Rated voltage UL (Use Group C) | 600 V |
| Rated current UL (Use Group C) | 20 A |
| Approvals per | UL 1059 / UL 1059 / UL 1059 |
| Use group | B / C / D |
| Rated voltage | 600 V |
| Rated current | 20 A |
Electrical data - Ratings per CSA
| Approvals per | CSA 22.2 No 158 |
| Rated voltage CSA (Use Group C) | 600 V |
| Rated current CSA (Use Group C) | 20 A |
| Approvals per | CSA 22.2 No 158 / CSA 22.2 No 158 / CSA 22.2 No 158 |
| Use group | B / C / D |
| Rated voltage | 600 V |
| Rated current | 20 A |
Electrical data - Power Loss
| Power loss, per pole (potential) | 0.766 W |
| Rated current I<sub>N</sub> for power loss specification | 24 A |
| Resistance value for specified, current-dependent power loss | 0.001 Ω |
Electrical data - General information
| Wiring direction | Side-entry wiring |
Connection data
| Clamping units | 2 |
| 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 |
| Solid conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Fine-stranded conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Note (conductor cross-section) | 12 AWG: THHN, THWN |
| Strip length | 8 … 9 mm / 0.31 … 0.35 inches |
| Wiring direction | Side-entry wiring |
Physical data
| Width | 5 mm / 0.197 inches |
| Height | 42.5 mm / 1.673 inches |
| Depth from upper-edge of DIN-rail | 30.5 mm / 1.201 inches |
Mechanical data
| Design | horizontal type |
| Mounting type | DIN-35 rail |
| Marking level | Side marking |
Material data
| Note (material data) | Information on material specifications can be found here |
| Color | blue |
| Material group | I |
| Insulation material (main housing) | Polyamide (PA66) |
| Flammability class per UL94 | V0 |
| Fire load | 0.083 MJ |
| Weight | 3.9 g |
Environmental requirements
| Processing temperature | -35 … +85 °C |
| Continuous operating temperature | -60 … +105 °C |
Commercial data
| PU (SPU) | 100 pcs |
| Packaging type | box |
| Country of origin | IN |
| GTIN | 4045454044503 |
| Customs tariff number | 85369010000 |
Product Classification
| UNSPSC | 39121410 |
| eCl@ss 10.0 | 27-14-11-20 |
| eCl@ss 9.0 | 27-14-11-20 |
| ETIM 9.0 | EC000897 |
| ETIM 10.0 | EC000897 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| RoHS Compliance Status | Compliant,No Exemption |
280-104: frequently asked questions
When can 280-104 be shipped?
280-104 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 280-104 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 280-104 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 280-104, subject to availability and destination.
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Wago 280-104Price and lead time confirmed within 1 business day
Request a Quote