Item no. 257-454

PCB terminal block; push-button; 2.5 mm²; Pin spacing 5/5.08 mm; 4-pole; CAGE CLAMP®; commoning option; 2,50 mm²; gray

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220
  • PCB terminal strips 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
  • Versions with angled push-buttons for simple top-of-unit actuation

Product details

Details
Electrical data
Ratings per IEC/EN 60664-1
Ratings per IEC/EN 60664-1
Nominal voltage (III/3) 250 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
Approvals per UL 1059
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
Approvals 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 data
Connection technology CAGE CLAMP®
Actuation type Push-button, angled
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
Strip length 5 … 6 mm / 0.2 … 0.24 inch
Conductor connection direction to PCB 0 °
Pole No. 4
Total number of connection points 4
Total number of potentials 4
Number of connection types 1
Number of levels 1
Note (conductor cross-section) 12 AWG: THHN, THWN
Geometrical Data
Pin spacing 5/5.08 mm / 0.197/0.2 inch
Width 22.9 mm / 0.902 inch
Height 24.2 mm / 0.953 inch
Height from the surface 20.2 mm / 0.795 inch
Depth 14.2 mm / 0.559 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 over the entire terminal strip (in-line)
Number of solder pins per potential 2
Material Data
Color gray
Material group I
Insulation material Polyamide 66 (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 0.073 MJ
Weight 4.7 g
Environmental Requirements
Limit temperature range -60 … +105 °C
Commercial data
Product Group 4 (Printed Circuit)
Packaging type BOX
Country of origin PL
GTIN 4044918676410
Customs tariff number 85369010000
Approvals / Certificates
Country specific Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: CCA
DEKRA Certification B.V.
Additional Approval Text EN 60947-7-4
Certificate name: 2169331.22
Approval: CCA
DEKRA Certification B.V.
Additional Approval Text EN 60947
Certificate name: 2160584.28
Approval: CCA
DEKRA Certification B.V.
Additional Approval Text EN 60947-7-4
Certificate name: NTR NL-7388
Approval: CCA
DEKRA Certification B.V.
Additional Approval Text EN 60947
Certificate name: NTR NL-7128
Approval: CSA
DEKRA Certification B.V.
Additional Approval Text C22.2 No. 158
Certificate name: 70049157
Ship Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: ABS
American Bureau of Shipping
Additional Approval Text -
Certificate name: 19-HG1869876-PDA
Approval: DNV GL
Det Norske Veritas, Germanischer Lloyd
Additional Approval Text -
Certificate name: TAE000016Z
UL-Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: UR
Underwriters Laboratories Inc.
Additional Approval Text UL 1059
Certificate name: 20180629-E45172
Compatible products
Installation Notes
4 Images
Conductor termination

Inserting/removing a conductor – 256 Series.

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1 Image
Installation

Possible conductor arrangement with terminal strips staggered (for 256 Series only).

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1 Image
Marking

Formation of groups using housings of different colors.

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2 Images
Testing

Testing with test probes.

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