
Fuseholders
Shock-Safe Fuseholder, 5 x 20 / 6.3 x 32 mm, Slot Knob
500 VAC · 4 W / 16 A (VDE) · 600 VAC/DC · 30 A (UL/CSA)
FUL
www.schurter.com/pg02
Description
- Fuseholder for 500 VAC applications
- Fuseholder with high rated power acceptance
- Screw type fuse carrier
Standards
- IEC 60127-6
- UL 4248-1 / UL 512
- CSA 4248-1 / no. 39
Approvals
- VDE Certificate Number: 127214
- UL File Number: E39328
- CSA File Number: 38456
Technical Data
Shocksafe Category PC2 
Fuse-Link 5 x 20 or 6.3 x 32 mm 
Mounting  Panel Mount, Front-Side 
Mounting Fixing Nut 
Terminal Solder or Quick-Connect 6.3 x 0.8 mm 
Rated Voltage 500 VAC (VDE), 600 VAC/DC (UL/CSA) 
Rated Current 16 A (VDE), 30 A (UL/CSA) 
Rated Power Acceptance IEC 4 W / 16 A @ Ta 23 °C 
Admissible power acceptance at higher ambient temperature see derating 
curves 
Degree of Protection IP 40 / IP 67 
Protection Class Suitable for appliances with protection 
class 1 or 2 acc. to IEC 61140 
Admissible Ambient Air Temp. -40 °C to 85 °C 
Climatic Category 40/085/21 acc. to IEC 60068-1 
Material: Socket Thermoset, black, UL 94V-0 
Material: Terminals Tin-Plated Copper 
Unit Weight (Socket/Cap) 20.4 g / 15.2 g 
Storage Conditions 0 °C to 60 °C, max. 70% r.h. 
Product Marking , Type, Voltage, Power Acc./Current 
Rating, Approvals
Applications
- Equipment with three-phase supply (400 VAC)
- Applications with rated current up to 16 A (VDE)
- Industrial electronic
References 
Weblinks
pdf, General Product Information, Approvals, RoHS, CHINA-RoHS, eStore, SCHURTER-Stock-Check, Distributor-Stock-Check, Accessories
Soldering Methods Iron 
Solderability 350 °C / 2 sec acc. to IEC 60068-2-20, 
Resistance to Soldering Heat 350 °C / 10 sec acc. to IEC 60068-2-20, 
Contact Resistance < 3.5 mΩ at 20 mV 
Dielectric Strength > 3 kV between L-N 
Impulse Withstand Voltage > 4 kV between L-N 
Insulation Resistance > 10 MΩ between L-N 
Overvoltage Category I - III acc. to IEC 60664-1 
Pollution Degree 2 acc. to IEC 60664-1 
Admissible Torque on Fixing 
Nut 
Panel Thickness s max 10 mm
Test Ta, method 2
Test Tb, method 2
> 4 kV between L/N-PE 
(50 Hz; 1 min)
> 6 kV between L/N-PE
> 100 MΩ between L/N-PE 
(500 VDC; 1 min)
max 1.2 Nm
Fuses
1

FUL
4 max. 10
M18.5x2/2
8.5
63
SW 22
1.8
ø 22
±0.5
0 20 40 60 80 100
0.5
0.0
I = < < I
n
I = 0.7 I
n
I = 1.0 I
n
4.0
1.5
1.0
2.0
3.0
2.5
3.5
Fuseholders
www.schurter.com/pg02
Abmessungen
Variant 0031.2307 and 0031.2308
Derating Curves
 63 mm
Mounting holes
Admissible Power Acceptance in Watt
Ambient Air Temperature Ta °C
Variants
Holder Cap Fuse-Link Terminal Degree of Pro-
l
l
l
l
Packaging Unit 
- 5 x 20 or 6.3 x 32mm Solder  IP 40 0031.2307
- 5 x 20 or 6.3 x 32mm Quick-Connect 6.3 IP 40 0031.2308
- 5 x 20 or 6.3 x 32mm Solder  IP 67 0031.2303
- 5 x 20 or 6.3 x 32mm Quick-Connect 6.3 IP 67 0031.2304
Bulk (25 pcs.)
Required Accessory
Description
Caps to FUL, FUP, FUA 
Caps to Holder FUL, FUP, FUA 
Slot Knob, 6.3 x 32 mm, IP 40 0031.2321
Slot Knob, 5 x 20 mm, IP 40 0031.2323
tection
Order Number
Caps to FUL (IP 67) 
Caps to Holder FUL (IP 67) 
Slot Knob, 6.3 x 32 mm, IP 67 0031.2320
Slot Knob, 5 x 20 mm, IP 67 0031.2322
Fuses

Fuseholders
Accessories
FUL
www.schurter.com/pg02
Cover FIZ, FUL 
Insulation Cover for FIZ, FUL 
Suitable for all variants 0859.0046
The specifications, descriptions and illustrations indicated in this document are based on 
current information. All content is subject to modifications and amendments.
Fuses
3