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Pyrofuse High Breaking Capacity 400A 1000V Fuse for EV Battery Pack Protection
Pyroswitch for Battery Pack Main Circuit
- Intelligent fuse, also known as pyrofuse / pyroswitch
- Interrupts the main circuit via igniter trigger
- Triggered by ECU / BMS
- Used for circuit interruption under abnormal conditions such as short circuit or collision in battery loops
5.0
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Product features
- Current Carrying Capacity: 400A @ 85°C (copper bar ≥ 120mm²)
- Ultimate Interrupting Rating: 1000VDC / 16kA / 20µH
- Internal Resistance (@20°C): ≤ 50µΩ (pre‑arcing); ≥ 10MΩ (after interruption)
- Igniter Resistance: 1.7Ω ~ 2.5Ω
- Insulation Resistance: ≥ 500MΩ at 1000VDC (between copper bar & MGG pin; copper bar & base housing)
- Withstand Voltage: ≥ 3000VAC for 1min, leakage current ≤ 1mA (between copper bar & MGG pin; copper bar & base housing)
- Trigger Current: ≥ 1.75A / 0.5ms OR ≥ 1.2A / 2ms
- Non‑Trigger Current: ≤ 0.4A / 10s
- Monitoring Current: < 100mA
- Operating Time: < 2ms
Other Parameters
- Operating Temperature: -40°C ~ +65°C
- Vibration Resistance: Compliant with AK‑LV 124
- Shock Resistance: Compliant with AK‑LV 124
- Temperature Shock Resistance: Compliant with AK‑LV 124
- Chemical Resistance: Compliant with AK‑LV 124
- Mounting: M8 screw (copper bar); ISO 19072‑1 AK II (trigger)
- Max. Altitude: ≤ 5500m
- Weight: ≤ 300g
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Chengdu Eshine Technology was established in 2009. It is an overall solution provider integrating brand agency of electronic components and technical support services.
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Chengdu Eshine Technology was established in 2009. It is an overall solution provider integrating brand agency of electronic components and technical support services.
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Tel: +86 28 86519933
WeChat/WhatsApp: +86 191 4130 7053
Email: info@eshine-cd.com
Company Address: No. 101, Building 22, Zhongjian Jinyuanhui Plaza, No. 299 Yinglong South Road 1, Gaoxin District, Chengdu, China
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