Item no. 255-402

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

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PU (SPU): 400 (100) Piece
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  • 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

Product details

Details
Electrical data
Ratings per IEC/EN 60664-1
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
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
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
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 90 °
Pole No. 2
Total number of connection points 2
Total number of potentials 2
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 12,9 mm / 0.508 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 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 (PA 66)
Flammability class per UL94 V0
Clamping spring material Chrome nickel spring steel (CrNi)
Contact material Electrolytic copper (ECu)
Contact plating tin-plated
Fire load 0.04 MJ
Weight 2.6 g
Environmental Requirements
Limit temperature range -60 … +105 °C
Commercial data
Product Group 4 (Printed Circuit)
Packaging type BOX
Country of origin CH
GTIN 4044918658546
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: 2169331.04
Approval: CCA
DEKRA Certification B.V.
Additional Approval Text EN 60947
Certificate name: NTR NL-7146
Approval: CCA
DEKRA Certification B.V.
Additional Approval Text EN 60947
Certificate name: 2160584.40
Approval: CCA
DEKRA Certification B.V.
Additional Approval Text IEC 60947-7-4
Certificate name: NTR NL-7283
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
Marking accessories
Item no.: 210-332/500-202
Marking strips; as a DIN A4 sheet; MARKED; 1-16 (160x); Height of marker strip: 3 mm; Strip length 182 mm; Horizontal marking; Self-adhesive; white
Marking > Item no. 210-332/500-202
Marking strips; as a DIN A4 sheet; MARKED; 1-16 (160x); Height of marker strip: 3 mm; Strip length 182 mm; Horizontal marking; Self-adhesive; white
PU (SPU): 100 (1) Piece
The value you entered was rounded.
Not available for order under SPU!
The item is already added and will not be added again. If necessary, please adjust the quantity directly on the article.
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100
Item no.: 210-332/500-204
Marking strips; as a DIN A4 sheet; MARKED; 17-32 (160x); Height of marker strip: 3 mm; Strip length 182 mm; Horizontal marking; Self-adhesive; white
Marking > Item no. 210-332/500-204
Marking strips; as a DIN A4 sheet; MARKED; 17-32 (160x); Height of marker strip: 3 mm; Strip length 182 mm; Horizontal marking; Self-adhesive; white
PU (SPU): 100 (1) Piece
The value you entered was rounded.
Not available for order under SPU!
The item is already added and will not be added again. If necessary, please adjust the quantity directly on the article.
Invalid input
100
Item no.: 210-332/500-205
Marking strips; as a DIN A4 sheet; MARKED; 1-32 (80x); Height of marker strip: 3 mm; Strip length 182 mm; Horizontal marking; Self-adhesive; white
Marking > Item no. 210-332/500-205
Marking strips; as a DIN A4 sheet; MARKED; 1-32 (80x); Height of marker strip: 3 mm; Strip length 182 mm; Horizontal marking; Self-adhesive; white
PU (SPU): 100 (1) Piece
The value you entered was rounded.
Not available for order under SPU!
The item is already added and will not be added again. If necessary, please adjust the quantity directly on the article.
Invalid input
100
Testing and measuring
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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