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Wago 254-557
PCB terminal block, 254 Series, solder pin dimensions 0.5 x 0.75 mmEasily, quickly and safely connect conductors with this PCB terminal block (item number 254-557). You can count on proven safety with…
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Description
PCB terminal block, 254 Series, solder pin dimensions 0.5 x 0.75 mmEasily, quickly and safely connect conductors with this PCB terminal block (item number 254-557). You can count on proven safety with these PCB terminal blocks, perfect for a wide variety of applications when designing your devices. Conductors should only be connected to this PCB terminal block if their strip length is between 10 and 12 mm . This product incorporates one conductor terminal and utilizes PUSH WIRE®. Our proven PUSH WIRE® connection offers the fastest method for clamping conductors. It utilizes the conductor’s stiffness to overcome the clamping spring’s contact force. The item’s dimensions are (54 x 19.7 x 13.5) mm (width x height x depth). Depending on the type of conductor, this PCB terminal block is ideal for conductor cross sections ranging from 0.5 mm² to 2.5 mm².The contact surface is coated with tin. This PCB terminal block is operated with an operating tool. The PCB terminal block is designed for THT soldering. Insert the conductor at a 45° angle..
Specification
Notes
| Variants: | Other pole numbers, Other colors, Mixed-color PCB connector strips, Direct marking, Versions for Ex i, Other versions (or variants) can be requested from WAGO Sales or configured at https://configurator.wago.com/. |
|---|
Electrical data - Ratings per IEC/EN
| Ratings per | IEC/EN 60664-1 |
|---|---|
| Nominal voltage (III/3) | 500 V |
| Rated impulse withstand voltage (III / 3) | 6 kV |
| Rated voltage (III/2) | 630 V |
| Rated impulse withstand voltage (III/2) | 6 kV |
| Nominal voltage (II/2) | 1000 V |
| Rated impulse withstand voltage (II/2) | 6 kV |
| Rated current | 24 A |
| Legend (ratings) | (III / 2) ≙ Overvoltage category III / Pollution degree 2 |
| Ratings per | IEC/EN 60664-1 / IEC/EN 60664-1 / IEC/EN 60664-1 |
| Overvoltage category | III / III / II |
| Pollution degree | 3 / 2 / 2 |
| Nominal voltage | 500 V / 630 V / 1000 V |
| Rated impulse withstand voltage | 6 kV / 6 kV / 6 kV |
| Rated current | 24 A / 24 A / 24 A |
Electrical data - Ratings per UL
| Approvals per | UL 1059 |
|---|---|
| Rated voltage UL (Use Group B) | 300 V |
| Rated current UL (Use Group B) | 10 A |
| Rated voltage UL (Use Group D) | 300 V |
| Rated current UL (Use Group D) | 10 A |
| Approvals per | UL 1059 / UL 1059 / UL 1059 |
| Use group | B / C / D |
| Rated voltage | 300 V / 300 V |
| Rated current | 10 A / 10 A |
Electrical data - Ratings per CSA
| Approvals per | CSA |
|---|---|
| Rated voltage CSA (Use Group B) | 300 V |
| Rated current CSA (Use Group B) | 10 A |
| Rated voltage CSA (Use Group D) | 300 V |
| Rated current CSA (Use Group D) | 10 A |
| Approvals per | CSA / CSA / CSA |
| Use group | B / C / D |
| Rated voltage | 300 V / 300 V |
| Rated current | 10 A / 10 A |
Connection data
| Clamping units | 7 |
|---|---|
| Total number of potentials | 7 |
| Number of connection types | 1 |
| Number of levels | 1 |
Connection data - Connection 1
| Connection technology | PUSH WIRE® |
|---|---|
| Actuation type | Operating tool |
| Solid conductor | 0.5 … 2.5 mm² / 20 … 12 AWG |
| Fine-stranded conductor; with insulated ferrule | 0.5 … 1.5 mm² |
| Fine-stranded conductor; with uninsulated ferrule | 0.5 … 1.5 mm² |
| Note (conductor cross-section) | 12 AWG: THHN, THWN |
| Strip length | 10 … 12 mm / 0.39 … 0.47 inches |
| Conductor connection direction to PCB | 45 ° |
| Pole number | 7 |
Physical data
| Pin spacing | 7.5/7.62 mm / 0.295/0.3 inches |
|---|---|
| Width | 54 mm / 2.126 inches |
| Height | 19.7 mm / 0.776 inches |
| Height from the surface | 15.7 mm / 0.618 inches |
| Depth | 13.5 mm / 0.531 inches |
| Solder pin length | 4 mm |
| Solder pin dimensions | 0.5 x 0.75 mm |
| Drilled hole diameter with tolerance | 1.1 (+0.1) mm |
PCB contact
| PCB contact | THT |
|---|---|
| Solder pin arrangement | over the entire terminal strip (in-line) |
| Number of solder pins per potential | 2 |
Material data
| Note (material data) | Information on material specifications can be found here |
|---|---|
| Color | gray |
| Material group | I |
| Insulation material (main housing) | Polyamide (PA66) |
| Flammability class per UL94 | V0 |
| Clamping spring material | Chrome-nickel spring steel (CrNi) |
| Contact material | Electrolytic copper (ECu) |
| Contact plating | Tin |
| Fire load | 0.18 MJ |
| Weight | 9.3 g |
Environmental requirements
| Limit temperature range | -60 … +105 °C |
|---|
Commercial data
| Product Group | 4 (Printed Circuit Connectors) |
|---|---|
| PU (SPU) | 80 (20) pcs |
| Packaging type | box |
| Country of origin | PL |
| GTIN | 4044918940894 |
| Customs tariff number | 85369010000 |
Product Classification
| UNSPSC | 39121409 |
|---|---|
| eCl@ss 10.0 | 27-44-04-01 |
| eCl@ss 9.0 | 27-44-04-01 |
| ETIM 9.0 | EC002643 |
| ETIM 10.0 | EC002643 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| RoHS Compliance Status | Compliant,No Exemption |
|---|
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