Product Model

737-503

In Stock
Last updated: 2025/4/19
wago 737-503

Selling Points

  • 1High-density triple-deck design for efficient wiring.
  • 29-pole configuration with 7.5mm pin spacing.
  • 3CAGE CLAMP connection for easy conductor termination.
  • 4Suitable for multiple conductor connections in confined areas.
  • 5Compliant with RoHS and IEC/EN 60664-1 standards.
Product Details
737-503
wago

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Variants:
Other pole numbers
Clamping units
9
Total number of potentials
9
Number of connection types
1
Number of levels
3
Pin spacing
7.5?mm?/ 0.295?inches
Width
21?mm?/ 0.827?inches
Height
44?mm?/ 1.732?inches
Height from the surface
40?mm?/ 1.575?inches
Depth
31?mm?/ 1.22?inches
Solder pin length
4mm
Solder pin dimensions
0.7 x 0.7?mm
Drilled hole diameter with tolerance
1.3(+0.1)mm
PCB contact
THT
Solder pin arrangement
within the terminal block (in-line)
Number of solder pins per potential
1
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
0.237MJ
Weight
14.3g
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)
48?pcs
Packaging type
box
Country of origin
PL
GTIN
4045454022440
Customs tariff number
8536904000
RoHS Compliance Status
Compliant,No Exemption
Ratings
between the decks
Ratings per
IEC/EN 60664-1
Rated voltage (III / 3)
400V
Rated impulse voltage (III / 3)
6kV
Rated voltage (III/2)
630V
Rated surge voltage (III/2)
6kV
Nominal voltage (II/2)
1000V
Rated surge voltage (II/2)
6kV
Rated current
21A
Legend (ratings)
(III / 2) ? Overvoltage category III / Pollution degree 2
Ratings per 2
IEC/EN 60664-1
Rated voltage (III/3) 2
320V
Rated surge voltage (III/3) 2
4kV
Rated voltage (III/2) 2
320V
Rated surge voltage (III/2) 2
4kV
Rated voltage (II/2) 2
630V
Rated surge voltage (II/2) 2
4kV
Rated current 2
21A
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)
10A
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 … 2.5?mm2
Note (conductor cross-section)
12 AWG: THHN, THWN
Strip length
5 … 6?mm?/ 0.2 … 0.24?inches
Conductor connection direction to PCB
45°
Number of poles
9

Specifications may be subject to change without notice