Technical Data
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Description
- Safety device to be triggered by ECU/BMS
- To break down the main circuit via trigger device actively
- To disconnect the battery circuit in abnormal conditions such as short circuits or collisions
Unique Selling Proposition
- High safety and reliability
- Mechanical vibration and shock resistance
Applications
- Electric Vehicles (EVs)
- Conventional Vehicle Electrical Systems
- Charging Infrastructure
- Photovoltaic (PV) & Energy Storage Systems (ESS)
- Household Energy
- Storage Electric Vessels
- Fuel Cell Technologies
- Aerospace (including eVTOL)
Rated Voltage
1000 VDC
Rated current
400 A
Breaking Capacity
1000 VDC/16 kA/20 µH
Internal Resistance (@20 °C)
≤50 µΩ (before breaking)
≥10 MΩ (after disconnection)
Ignition resistance
≥1.7 Ω, ≤2.5 Ω
Trigger Current
≥1.75 A /0.5 ms or ≥1.2 A/2 ms
No Trigger Current
≤0.4 A /≤ 10 s or ≤5 A /≤0.5 µs
Monitoring Current
< 100 mA
Mounting
Bolt-on A
Admissible Ambient Temp.
-40 °C to 105 °C
Material: Housing
PA6
Material: Terminals
Copper alloy, tin-plated
Unit Weight
< 300 g
Storage Conditions
-40 °C to 65 °C
max. 70% r.h. @ 40 °C
max. 80% r.h. @ 30 °C
max. 90% r.h. @ 20 °C
Product Marking
, Type Description, Type, Rated current, Rated Voltage
Resistance to Vibration
AK-LV 124
Current Carrying Capacity
400 A Continuous current @ 85 °C (Busbar size ≥120 mm²)
Action Time
<2 ms
Mechanical Shock
AK-LV 124
Temperature Cycling
AK-LV 124
Chemical resistance
AK-LV 124
Installation
M8 screw (Copper busbar)
ISO 19072 AKII (trigger)
Approvals
The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.
Approval Reference Type: APO
| Approval Logo | Certificates | Certification Body | Description |
|---|
Compliances
The product complies with following Guide Lines
| Identification | Details | Initiator | Description |
|---|---|---|---|
|
SCHURTER AG | Directive RoHS 2011/65/EU, Amendment (EU) 2015/863 | |
|
SCHURTER AG | The law SJ / T 11363-2006 (China RoHS) has been in force since 1 March 2007. It is similar to the EU directive RoHS. | |
|
SCHURTER AG | On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as "REACH") entered into force. |
Short Table of Variants APO Open complete table APO
| Rated current | Rated Voltage | Breaking Capacity |
Order Number
|
Symbols, Footprints, 3D-Models | Free Sample |
Distributor Stock Check Distributor Stock Check
|
... | |
|---|---|---|---|---|---|---|---|---|
| [A] | [VDC] | |||||||
| 400 | 1000 | 1000 VDC/16 kA/20 µH | 3-158-119 |
|
- | ... |
| Packaging Unit | Bulk 445 x 370 x 268 mm (18 pcs.) |
Hazardous Materials – Safety Instructions
Short-Circuit Ring
The connector has a shorting clip. If not fully inserted, it shorts the two pins to prevent accidental activation during transport, installation, or use.
Ground Isolation
The low-voltage trigger signal must be isolated from the high-voltage system ground. A common ground or connection is prohibited.
Breaking Capacity
Do not use the fuse if the fault current exceeds its rated breaking capacity. Contact Schurter for applications with higher currents.
Dropped Units
Do not use a product that has been dropped. It must be inspected before any further use.
Physical Damage
Do not use a unit with any damage to the body or components.
Triggering Power Source
Only use designated triggering equipment. Do not use lead-acid or dry-cell batteries.
RISK OF MATERIAL DAMAGE AND HOT ENCLOSURE
- The product's side panels can become hot during operation. Allow the unit to cool completely before touching.
- Follow the mounting instructions carefully, ensuring all fastenings are tightened to the specified torque values.
- Do not allow liquids or foreign objects to enter the product.
Not following these instructions can cause serious injury or damage to equipment.
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
- Disconnect all power before installing or working with this equipment
- Verify all connections and replace all covers before turning on power Failure to follow these instructions will result in death or severe injury.
Transportation Hazard Classification: UN2648, Class 9
27.10.2025