Weco Series 121-A-111, 121-M-121, 121-M-221 PCB Depluggable Terminal Blocks


Weco Series 121-A-111, 121-M-121, 121-M-221

Type 121-A-111

0.2 in. spacing 2 to 24 poles

Type 121-M-121 and 121-M-221

0.2 in. spacing 2 to 24 poles

Technical Data

Center to Center Spacing: 5.08 mm / .200 in.
Nominal Cross Section: 1.5 mm2 / 2325 mils2
Wire Stripping Length: 7 mm / .28 in.
Recommended Hole Diameter in PC Board:
1.4 mm / .06 in.

Approval Information

UL File No. E69841
CSA File No. LR24322

Rating	Current (A)	Voltage (V)	AWG
UL	10	300	26-12*
CSA	10	300	26-12

* 24-26 AWG range for factory wiring only
Breakdown Voltage: 2500 V.

Material

Molding: Polyamide, self extinguishing to UL 94, V-O, color grey
Temperature limits:
Short time: 140°C / 284°F
Continuous: 80°C / 176°F
Low limit: -40°C / -40°F
Comparative Tracking Index: CTI > 600
Oxygen Index Rating: 33%
Terminal Body: nickel plated brass
Contact Spring / Wire Protector:
tin plated copper alloy
Screw: M3, zinc plated steel, yellow chromated
Screw Tightening Torque: max: 0.5 Nm / 4.5 lb-in.
Solder Pin: 1 x 1 mm / .04 x .04 in.
tin plated brass

Options

Mark in Order Box	Description
CN:	Consecutive Numbering (white, hot stamped numbers)
SM:	Special Marking (please provide sketch)
BS:	Brass Screws
PS:	Passivated Steel Screws
G05:	Gold Plating (5 micro inches)
G30:	Gold Plating (30 micro inches)
S30:	Silver Plating (30 micro inches)
14MM:	Solder pin length of 14mm (Types 121-M-121 and 121-M-221 only)
Note: If more than one option is required, please separate each option with a dash (-).

Ordering Information