Screw Connectors for Printed Circuit Boards
TYPE 971-LH (-DS)
5 mm spacing   -   2 to 12 poles
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RoHS WEEE Pb free surface compliant
 
 
Description
 
Types 971-LH terminal blocks have been specially designed to allow effective potting of PC boards. The molding design prevents seepage of the potting material into the wire clamping area.

Wire entrance perpendicular to PC Board
Straight PCB pin
 
 
Technical Data
 
Center to Center Spacing:  5 mm (0.197 in.)
Nominal Cross Section: 2.5 mm2 (3874 mils2)
Wire Stripping Length: 5 mm (0.197 in.)
Recommended Hole Diameter in PC Board: 1.3 mm (0.051 in.)
 
 
Illustration
 
 
 
 
 
Dimensions: mm (in.)
 
Length of Connector (L)
L = No. of Poles x Center to Center Spacing
 
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 20 300 B,C,D 26-12
CSA 15 300 B,D,E 22-10

* Version DS is CSA certified for 26-10 AWG.
UL: 26-24 AWG is for factory wiring only

Screw Tightening Torque:
UL: 4.5 lbfin
CSA: 0.51 Nm
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%

Terminal Body: Tin plated copper alloy
Wire Protector: Tin plated copper alloy
Screw: M3, Slotted head, zinc plated blue passivated, steel substrate
Solder Pin: Ø 1.0 mm (0.04 in.), Tin plated copper alloy
 
 
 
 
Item 971-LH (-DS)
 
Options   CN: Consecutive Numbering (hot stamped numbers)
SM: Special Marking (please provide sketch)
PS: Zinc plated clear Passivated, steel substrate
WG: Wire Guide
G05: Gold Plating (5 micro inches)
G30: Gold Plating (30 micro inches)
S30: Silver Plating (30 micro inches)
XXMM: Longer solder Pins up to 25 mm (0.98 in.)
     Protruding length of pins, in millimeters: 
 
Note: Plated component: terminal body
 
Ordering Note: Version with 10 mm spacing (973-LH (-DS)).
 
 
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  Quantity  

Accessories
BST Self Adhesive Marking Strips. Consecutively numbered.
Jumper, Type 970-J1.
Jumper, Type 970-J2.
 WIRE PROTECTOR:
with: - DS
 POLES:
02 to 12
  971-LH /
 
   2008, WECO Electrical Connectors Inc.ISO 9001 registered quality management system