Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
31303 Wohner D0 fuse base, panel-mounting
Wöhner 31303 CUSTO Panel single-pole D0 panel-mounted fuse base for D02 (E18) fuse links, rated at 63 A and 400 V AC with DIN rail mounting and touch-protected construction.
£3.52
Why Choose the Wöhner 31303 D0 Fuse Base?
The Wöhner 31303 is a high-quality single-pole D0 panel-mounted fuse base designed for D02 (E18) fuse links up to 63 A. Part of the dependable Wöhner CUSTO® Panel range, it provides reliable overcurrent protection for industrial control panels, switchgear and low-voltage power distribution systems. Its touch-protected construction improves operator safety while ensuring dependable long-term operation.
Designed for installation on a standard DIN mounting rail, the Wöhner 31303 features a generous cage clamp terminal, a wide conductor clamping range and an integrated holder for circuit identification labels. Its compact design makes it ideal where panel space is limited without compromising installation quality.
Rated at 63 A and 400 V AC, the Wöhner 31303 accepts D02 (E18) fuse links manufactured in accordance with IEC / HD 60269-3. The fuse base is approved by VDE and DNV GL, making it suitable for demanding industrial and commercial electrical installations.
Key Advantages
- Designed for D02 (E18) fuse links.
- Single-pole configuration.
- 63 A rated current.
- 400 V AC / 250 V DC operating voltage.
- Touch-protected construction for enhanced operator safety.
- DIN rail mounting with integrated circuit label holder.
Key Features
- Wöhner CUSTO® Panel series.
- Model 31303.
- Single-pole D0 panel-mounted fuse base.
- Compatible with D02 (E18) fuse links.
- 63 A rated current.
- 400 V AC / 250 V DC rated voltage.
- Touch-protected construction.
- Large cage clamp terminals.
- Integrated holder for identification labels.
- DIN rail mounting.
Reliable Protection for Higher Current Industrial Circuits
The Wöhner 31303 provides dependable protection for industrial circuits using D02 fuse links up to 63 A. Its touch-safe construction, generous conductor capacity and compact DIN rail design make it ideal for control panels, machinery and low-voltage distribution systems where reliability and safety are essential.
The integrated label holder simplifies circuit identification during commissioning and maintenance, while the wide terminal capacity supports flexible panel wiring for OEMs and panel builders.
Typical Applications
- Industrial control panels.
- OEM machinery.
- Low-voltage power distribution.
- Motor feeder circuits.
- Industrial switchgear assemblies.
- Commercial electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Device Type | Base / mounting component | |
|---|---|---|
| Poles | 1-pole | |
| Manufacturer | Wöhner | |
| Series | CUSTO® Panel | |
| Model | 31303 | |
| Alternative SKU | 31303000 | |
| Product type | D0 panel-mounted fuse base | |
| Fuse size | D02 (E18) | |
| Fuse standard | IEC / HD 60269-3 | |
| Number of poles | 1 | |
| Rated current | 63 A | |
| Rated voltage | 400 V AC | |
| Rated voltage (DC) | 250 V DC | |
| Maximum voltage | 440 V AC / 262 V DC | |
| Impulse withstand voltage | 6 kV | |
| Approved fuse operating class | gG | |
| Permitted fuse-link power dissipation | 5.5 W | |
| Typical power dissipation (80% load) | 2.6 W | |
| Power dissipation (full load) | 4.0 W | |
| Short-circuit withstand | 50 kA (with suitable fuse) | |
| Protection | Touch protected | |
| Mounting type | DIN mounting rail | |
| Terminal type | Cage clamp connection | |
| Screw drive | PZ2 | |
| Wire stripping length | 10 mm | |
| Conductor capacity | 1.5–35 mm² copper | |
| Tightening torque | 2.5–3.0 Nm | |
| Dimensions (W × H × D) | 27 × 68 × 55 mm | |
| Weight | approx. 76 g | |
| Maximum operating temperature | 55 °C | |
| Material | Halogen-free plastic | |
| Approvals | VDE, DNV GL | |
| EAN | 4021267313036 |
Frequently Asked Questions
What fuse size does the Wöhner 31303 accept?
It is designed for D02 (E18) fuse links manufactured in accordance with IEC / HD 60269-3.
What is the rated current?
The Wöhner 31303 has a rated current of 63 A.
How is the Wöhner 31303 installed?
It mounts directly onto a standard 35 mm DIN mounting rail using a compact panel-mounted design.
Is the fuse base touch protected?
Yes. The Wöhner 31303 incorporates a touch-protected design to improve operator safety during installation and servicing.
Can aluminium conductors be used?
No. The Wöhner 31303 is designed for copper conductors only and is not suitable for aluminium cables.
Trusted by Electrical Professionals Worldwide
Wöhner CUSTO® Panel fuse bases are trusted by panel builders, OEM manufacturers and industrial engineers for dependable circuit protection, efficient installation and reliable long-term performance in demanding electrical applications.
