Product Model

742-121

In Stock
Last updated: 2025/4/22
wago 742-121

Selling Points

  • 1Modular Design: Stackable and modular for easy integration into complex circuits.
  • 2CAGE CLAMP Connection: Screwdriver-actuated for secure and reliable connections.
  • 3High Current Rating: Rated for 10 A UL (Use Group D) and 16 A CSA (Use Group B).
  • 4Versatile Conductor Support: Supports solid conductors (0.08–2.5 mm² / 28–12 AWG) and fine-stranded conductors.
  • 5Durable Construction: Made from high-quality materials including polyamide 66 (PA 66) and chrome nickel spring steel (CrNi).
Product Details
742-121
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Clamping units
1
Total number of potentials
1
Number of connection types
1
Number of levels
1
Number of jumper slots
1
Pin spacing
5?mm?/ 0.197?inches
Width
7?mm?/ 0.276?inches
Height
27.2?mm?/ 1.071?inches
Height from the surface
23.2?mm?/ 0.913?inches
Depth
34.7?mm?/ 1.366?inches
Solder pin length
4mm
Solder pin dimensions
1 x 0.8?mm
Drilled hole diameter with tolerance
1.4(+0.1)mm
PCB contact
THT
Solder pin arrangement
within the terminal block (in-line)
Number of solder pins per potential
2
Note (material data)
Information on material specifications can be found here
Color
gray
Material group
I
Insulation material (main housing)
Polyamide (PA66)
Flammability class per UL94
V0
Clamping spring material
Chrome-nickel spring steel (CrNi)
Contact material
Electrolytic copper (ECu)
Contact plating
Tin
Fire load
0.06MJ
Weight
3.2g
Limit temperature range
-60 … +105?°C
Product Group
4 (Printed Circuit Connectors)
eCl@ss 10.0
27-44-04-01
eCl@ss 9.0
27-44-04-01
ETIM 9.0
EC002643
ETIM 8.0
EC002643
ECCN
NO US CLASSIFICATION
PU (SPU)
300?pcs
Packaging type
box
Country of origin
CH
GTIN
4045454225247
Customs tariff number
8536904000
RoHS Compliance Status
Compliant,No Exemption
Ratings per
IEC/EN 60664-1
Rated voltage (III / 3)
250V
Rated impulse voltage (III / 3)
4kV
Rated voltage (III/2)
320V
Rated surge voltage (III/2)
4kV
Nominal voltage (II/2)
630V
Rated surge voltage (II/2)
4kV
Rated current
16A
Legend (ratings)
(III / 2) ? Overvoltage category III / Pollution degree 2
Approvals per
CSA
Rated voltage UL (Use Group B)
300V
Rated current UL (Use Group B)
10A
Rated voltage UL (Use Group D)
300V
Rated current UL (Use Group D)
10A
Rated voltage CSA (Use Group B)
300V
Rated current CSA (Use Group B)
16A
Rated voltage CSA (Use Group D)
300V
Rated current CSA (Use Group D)
10A
Connection technology
CAGE CLAMP?
Actuation type
Operating tool
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
Note (conductor cross-section)
12 AWG: THHN, THWN
Strip length
8 … 9?mm?/ 0.31 … 0.35?inches
Conductor connection direction to PCB
60°
Number of poles
1

Specifications may be subject to change without notice