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Schurter AMO 10.3x38 EV High Voltage DC Fuse
10.3 x 38 mm | 800VDC | 10–50A | Quick-Acting
Schurter AMO EV Fuse Overview
The Schurter AMO is a quick-acting high voltage DC fuse in the 10.3 x 38 mm format, designed specifically for electric vehicle applications. Rated up to 800VDC with a breaking capacity of 20kA, it is available in current ratings from 10A to 50A across three mounting configurations – PCB/THT, screw-on, and screw-on axial – making it suitable for a wide range of EV power system designs.
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Product features
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Three mounting configurations: PCB/THT, screw-on, screw-on axial
Manifold mounting versions available
Ceramic tube with copper alloy endcaps
UL approved (File No. E184831); CE and UKCA marked
RoHS, REACH and China RoHS compliant
Suitable for use in equipment per IEC/UL 62368-1
Version for fuse clip available on request
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Compatible Applications
The AMO series is designed for use across a range of high voltage DC systems found in modern electric vehicles:
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Battery management systems
On-board battery chargers
DC/DC converters
Air-conditioning compressors
PTC heaters
AMO Technical Specifications
Technical specifications
| Parameter | Value |
|---|---|
| Rated voltage | 750–800VDC |
| Rated current | 10–50A |
| Breaking capacity | 20kA |
| Characteristic | Quick-acting F |
| Mounting | PCB/THT, Screw, Screw (Axial) |
| Operating temperature | -40°C to +125°C |
| Storage conditions | 0°C to 40°C, max. 70% r.h. |
| Tube material | Ceramics |
| Endcap material | Copper alloy |
| Unit weight | 13.6g |
| Packaging unit | Bulk (100 pcs.) |
| Approvals | UL (E184831), CE, UKCA |
| Compliances | RoHS, REACH, China RoHS |
| Application standard | IEC/UL 62368-1 |
AMO Variants & Order Codes
|
Current (A) |
Mounting |
Voltage (VDC) |
Breaking Capacity |
Voltage Drop max. (mV) |
Power Dissipation typ. (mW) |
Melting I²t typ. (A²s) |
Order No. |
|---|---|---|---|---|---|---|---|
|
10 |
Screw |
800 1 |
20kA |
260 |
2000 |
76 |
3-151-005 |
|
15 |
Screw |
800 1 |
20kA |
200 |
2300 |
478 |
3-151-006 |
|
20 |
Screw |
800 1 |
20kA |
175 |
2500 |
1510 |
3-151-007 |
|
25 |
Screw |
800 1 |
20kA |
165 |
3000 |
2492 |
3-151-008 |
|
30 |
Screw |
800 1 |
20kA |
175 |
3600 |
3892 |
3-151-009 |
|
40 |
Screw |
750 2 |
20kA |
165 |
4800 |
7112 |
3-151-010 |
|
50 |
Screw |
750 2 |
20kA |
200 |
6700 |
10012 |
3-151-011 |
|
10 |
Screw (Axial) |
800 1 |
20kA |
260 |
2000 |
76 |
3-151-012 |
|
15 |
Screw (Axial) |
800 1 |
20kA |
200 |
2300 |
478 |
3-151-013 |
|
20 |
Screw (Axial) |
800 1 |
20kA |
175 |
2600 |
1510 |
3-151-014 |
|
25 |
Screw (Axial) |
800 1 |
20kA |
165 |
3000 |
2492 |
3-151-015 |
|
30 |
Screw (Axial) |
800 1 |
20kA |
175 |
3700 |
3892 |
3-151-016 |
|
40 |
Screw (Axial) |
750 2 |
20kA |
165 |
4900 |
7112 |
3-151-017 |
|
50 |
Screw (Axial) |
750 2 |
20kA |
200 |
6800 |
10012 |
3-151-018 |
|
10 |
PCB |
800 1 |
20kA |
260 |
2000 |
76 |
3-151-019 |
|
15 |
PCB |
800 1 |
20kA |
200 |
2300 |
478 |
3-151-020 |
|
20 |
PCB |
800 1 |
20kA |
175 |
2600 |
1510 |
3-151-021 |
|
25 |
PCB |
800 1 |
20kA |
165 |
3000 |
2492 |
3-151-022 |
|
30 |
PCB |
800 1 |
20kA |
175 |
3900 |
3892 |
3-151-023 |
|
40 |
PCB |
750 2 |
20kA |
165 |
5200 |
7112 |
3-151-024 |
|
50 |
PCB |
750 2 |
20kA |
200 |
7600 |
10012 |
3-151-025 |
1 UL: 20kA @ 800VDC with L/R < 1ms
2 UL: 20kA @ 750VDC with L/R < 1ms
Downloads & Documentation
AMO Datasheet
Buy Schurter AMO From the Official UK Distributor
Dalroad is the official UK distributor for Schurter. We have reliable stock of all their high voltage fuses, while our team supports design engineers through component selection, system integration and supply planning for safety-critical EV applications. Submit an enquiry to book a call with our technical experts or request a sample