Product Model

218-521

In Stock
Last updated: 2025/5/3
wago 218-521

Selling Points

  • 1Reliable and efficient connectivity solutions with secure, maintenance-free connections.
  • 2Designed for various applications including industrial automation, building technology, and process control.
  • 3Features innovative CAGE CLAMP technology for easy termination of stranded conductors.
  • 4Supports wire sizes from 0.08 mm² to 0.5 mm², accommodating #28 AWG to #20 AWG conductors.
  • 5Compliant with IEC/EN 60664-1 and UL 1059 standards for high-performance durability.
Product Details
218-521
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Variants:
Other pole numbers
Clamping units
21
Total number of potentials
21
Number of connection types
1
Number of levels
1
Pin spacing
2.54 mm / 0.1 inches
Width
54.84 mm / 2.159 inches
Height
10.9 mm / 0.429 inches
Height from the surface
8.1 mm / 0.319 inches
Depth
13 mm / 0.512 inches
Solder pin length
2.8mm
Solder pin dimensions
0.5 x 0.75 mm
Drilled hole diameter with tolerance
1.1(+0.1)mm
PCB contact
THT
Solder pin arrangement
over the entire terminal strip (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
0.339MJ
Weight
6.8g
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)
80 (20) pcs
Packaging type
Box
Country of origin
PL
GTIN
4044918878753
Customs tariff number
8536904000
RoHS Compliance Status
Compliant,No Exemption
Ratings per
IEC/EN 60664-1
Rated voltage (III / 3)
80V
Rated impulse voltage (III / 3)
2.5kV
Rated voltage (III/2)
160V
Rated surge voltage (III/2)
2.5kV
Nominal voltage (II/2)
320V
Rated surge voltage (II/2)
2.5kV
Rated current
6A
Legend (ratings)
(III / 2) ? Overvoltage category III / Pollution degree 2
Approvals per
CSA
Rated voltage UL (Use Group B)
150V
Rated current UL (Use Group B)
4A
Rated voltage CSA (Use Group B)
150V
Rated current CSA (Use Group B)
4A
Connection technology
CAGE CLAMP?
Actuation type
Slider
Solid conductor
0.08 … 0.5 mm2 / 28 … 20 AWG
Fine-stranded conductor
0.08 … 0.5 mm2 / 28 … 20 AWG
Fine-stranded conductor; with insulated ferrule
0.25 mm2
Fine-stranded conductor; with uninsulated ferrule
0.25 mm2
Note (conductor cross-section)
Terminating 0.75 mm2/18 AWG conductors is possible; however insulation diameter allows only every other clamping unit to be terminated with this conductor size.
Strip length
5 … 6 mm / 0.2 … 0.24 inches
Conductor connection direction to PCB
40°
Number of poles
21

Specifications may be subject to change without notice