255-740

Features

• PCB terminal blocks with push-buttons and CAGE CLAMP® connection
• Versions with Ex approval
• Set to metric or inch pin spacing by compressing PCB terminal strips or pulling them apart
• Ideal for in-the-field wiring thanks to simplified push-button actuation
• Convenient, tool-free operation

Approvals

• DEKRA Certification B.V., CCA, 2160584.40, EN 60947
• Bureau Veritas S.A., BV, 11915/D0 BV, IEC 60998
• DEKRA Certification B.V., CCA, NTR NL-7283, IEC 60947-7-4
• Det Norske Veritas, Germanischer Lloyd, DNV GL, TAE000016Z
• DEKRA Certification B.V., CCA, 71-113038, EN 60947-7-4
• American Bureau of Shipping, ABS, 19-HG1869876-PDA
• DEKRA Certification B.V., CCA, NTR NL-7146, EN 60947

Specifications

Notes

• Variants:: Other colors || Versions for Ex e II and Ex i || Other versions (or variants) can be requested from WAGO Sales or configured at https://configurator.wago.com/

Ratings Per Iec/En

• Ratings per: IEC/EN 60664-1
• Nominal voltage (III/3): 320 V
• Rated surge voltage (III/3): 4 kV
• Rated voltage (III/2): 320 V
• Rated surge voltage (III/2): 4 kV
• Nominal voltage (II/2): 630 V
• Rated surge voltage (II/2): 4 kV
• Rated current: 24 A
• Legend (ratings): (III / 2) ≙ Overvoltage category III / Pollution degree 2

Ratings Per Ul

• Approvals per: UL 1059
• Rated voltage UL (Use Group B): 300 V
• Rated current UL (Use Group B): 15 A
• Rated voltage UL (Use Group D): 300 V
• Rated current UL (Use Group D): 10 A

Ratings Per Csa

• Approvals per: CSA
• Rated voltage CSA (Use Group B): 300 V
• Rated current CSA (Use Group B): 15 A
• Rated voltage CSA (Use Group D): 300 V
• Rated current CSA (Use Group D): 10 A

Connection 1

• Connection technology: CAGE CLAMP®
• Actuation type: Push-button
• Solid conductor: 0.08 … 2.5 mm² / 28 … 12 AWG
• Fine-stranded conductor: 0.08 … 2.5 mm² / 28 … 12 AWG
• Fine-stranded conductor; with insulated ferrule: 0.25 … 1.5 mm²
• Fine-stranded conductor; with uninsulated ferrule: 0.25 … 1.5 mm²
• Note (conductor cross-section): 12 AWG: THHN, THWN
• Strip length: 5 … 6 mm / 0.2 … 0.24 inch
• Conductor connection direction to PCB: 90 °
• Pole No.: 1

Physical Data

• Pin spacing: 5/5.08 mm / 0.197/0.2 inch
• Width: 7.8 mm / 0.307 inch
• Height: 18.2 mm / 0.717 inch
• Height from the surface: 14.2 mm / 0.559 inch
• Depth: 18.3 mm / 0.72 inch
• Solder pin length: 4 mm
• Solder pin dimensions: 0.7 x 0.7 mm
• Drilled hole diameter with tolerance: 1.1 (+0.1) mm

Pcb Contact

• PCB Contact: THT
• Solder pin arrangement: Within the terminal block (in-line)
• Number of solder pins per potential: 2

Material Data

• Color: Red
• Material group: I
• Insulation material: Polyamide (PA66)
• Flammability class per UL94: V0
• Clamping spring material: Chrome nickel spring steel (CrNi)
• Contact material: Electrolytic copper (ECu)
• Contact plating: Tin-plated
• Fire load: 0.022 MJ
• Weight: 1.163 g

Environmental Requirements

• Limit temperature range: -60 … +105 °C

Commercial Data

• Packaging type: Box
• Country of origin Sales Organisation Germany: CH
• GTIN: 4044918662796
• Customs tariff number Sales Organisation Germany: 85369010000