TH405 — 38 mm circular connectors for cable-to-cable joints
Series · 8 versions · 61 variants
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The TH405 — 38 mm circular connectors for cable-to-cable joints series comprises 8 versions with 61 variants in total.
The TH405 is Techno's large circular connector: 38 mm outside diameter, 17.5 A at 400 V AC, IP66 and IP68. Both halves sit on the cable and lock with a quarter turn of the bayonet — no tool required. The series comes with screw, crimp and piercing termination, each in standard and reversed contact arrangement, plus a UP Industrial version for cables up to 16.5 mm and a ready-paired set. The panel-mount version of the same connection is the TH406.
Common properties of the series
Housing shape:Round
Housing material:Black plastic
Kontaktmaterial:Brass
MaxStrom [A]:17.5
Montageart:Kabelmontage
Spannung [V]:400
Versions of the series
Each version of the TH405 — 38 mm circular connectors for cable-to-cable joints series links to its variants with full technical data.

TH405-Crimp-Standard
TH405 crimp termination
8 variants
- Connection type:
- Crimp contacts
- Kabeldurchmesser [mm] max.:
- 13.5
- Kabeldurchmesser [mm] min.:
- 7
- Schutzart:
- IP66, IP68

TH405-Piercing-Standard
TH405 piercing termination
8 variants
- Connection type:
- Piercing screw
- Kabeldurchmesser [mm] max.:
- 13.5
- Kabeldurchmesser [mm] min.:
- 7
- Schutzart:
- IP66, IP68

TH405-Piercing-Reverse
TH405 piercing termination, reversed contacts
8 variants
- Connection type:
- Piercing screw
- Kabeldurchmesser [mm] max.:
- 13.5
- Kabeldurchmesser [mm] min.:
- 7
- Schutzart:
- IP66, IP68

TH405-Screw-Standard
TH405 screw termination
10 variants
- Connection type:
- Screw connections
- Kabeldurchmesser [mm] max.:
- 13.5
- Kabeldurchmesser [mm] min.:
- 7
- Kabelquerschnitt max. mm²:
- 1.5

TH405-Screw-Reverse
TH405 screw termination, reversed contacts
10 variants
- Connection type:
- Screw connections
- Kabeldurchmesser [mm] max.:
- 13.5
- Kabeldurchmesser [mm] min.:
- 7
- Kabelquerschnitt max. mm²:
- 1.5

TH405-Kit
TH405 set
3 variants
- Connection type:
- Screw connections
- Kabeldurchmesser [mm] max.:
- 13.5
- Kabeldurchmesser [mm] min.:
- 7
- Schutzart:
- IP66, IP68

TH405-UP-Standard
TH405 UP Industrial
8 variants
- Connection type:
- Screw connections
- Kabeldurchmesser [mm] max.:
- 16.5
- Kabeldurchmesser [mm] min.:
- 10
- Kabelquerschnitt max. mm²:
- 6

TH405-UP-Reverse
TH405 UP Industrial, reversed contacts
6 variants
- Connection type:
- Screw connections
- Kabeldurchmesser [mm] max.:
- 16.5
- Kabeldurchmesser [mm] min.:
- 10
- Kabelquerschnitt max. mm²:
- 6