Plug-in Screw Connector System for Printed Circuit Boards
TYPE 120-M-255
5 mm spacing   -   4 to 44 poles
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120-M-255

One possible variation of assembly


RoHS WEEE Pb free surface compliant
 
 
Description
 
Header
Double level
Plug-In Direction and Wire Entrance Parallel to PCB when plugged with 120-A-115
Plug-In Direction Parallel to PCB and Wire Entrance Perpendicular to PCB when plugged with 120-D-125, 120-D-115
Back row offset to the left
Equiped with screw locking features that secure the plug and header together. This prevents accidental unplugging caused by human error, vibrations, impacts, wire pulling or gravity. Can be installed at any orientation with respect to horizontal.
 
 
Technical Data
 
Center to Center Spacing:  5 mm (0.197 in.)
Recommended Hole Diameter in PC Board: 1.4 mm (0.055 in.)
 
 
Illustration
 
Coding keys 120-K are available to prevent the insertion of the wrong plug into a header. These are usually field inserted but can be factory installed if required.
 
 
 
 
Dimensions: mm (in.)
 
Length of Connector (L)
L = (No. of Poles x Center to Center Spacing / 2)
(A) Threaded Insert M2.5
(B) PCB hole layout
 
When locating connector, allow 0.5 mm clearance around it for process-induced variations.
 
Approval Information
 
UL File No.E69841
CSA File No.LR24322
 
Rating
Current(A)
Voltage(V)
Application
group
    AWG   
UL 15 300 B
UL 10 300 D
CSA 15 300 B
CSA 10 300 D,E


International Approvals:
  

Rated Impulse Withstand Voltage: 2500 V
 
 
Material
 
Molding:  Polyamide, self extinguishing UL 94, V-0, color grey
Temperature limits:
Short Time:  140°C (284°F)
Continuous:  RTI 105°C (221°F)
Low Limit:  -40°C (-40°F)
Comparative Tracking Index:  CTI≥600V
Oxygen Index Rating:  33%

Solder Pin: 1 x 1 mm (0.04 x 0.04 in.), Tin plated copper alloy
Threaded Insert: M2.5, Copper alloy
 
 
 
 
Item 120-M-255
 
Options   CN: Consecutive Numbering (hot stamped numbers)
SM: Special Marking (please provide sketch)
G05: Gold Plating (5 micro inches)
G30: Gold Plating (30 micro inches)
S30: Silver Plating (30 micro inches)
 
Note: Plated component: solder pin
 
Ordering Note: Voltage rating for 10 mm spacing is UL certified for 15A - 300V / C and for 5A - 600V / D and CSA certified for 600 / D,E (120-M-256).
 
 
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  Quantity  

Accessories
BST Self Adhesive Marking Strips. Consecutively numbered.
 POLES:
04 to 44
  120-M-255/
 
   2008, WECO Electrical Connectors Inc.ISO 9001 registered quality management system