750V 300-400A Manually Repair Disconnect Hv Manual Service Disconnect

Still deciding? Get samples of $ !
Order Sample

Product Description

Basic Specification

Model NO.
MSD-300-400A
Reference Standard
USCAR-2 USCAR-37
Executive Standard
RoHS LV-215
Electrical
Max Current 400A
Mechanical Life
≥ 10,000 times
Rated Voltage
Maximum 1000Vdc
Protection Class
IP67
Production Capacity
50000PCS/Month

Product Description

Introduction: This Manual Service Disconnect (MSD) provides a safe maintenance environment for high-voltage power systems in pure electric and hybrid vehicles. By utilizing a wire spring structure and high-performance silver plating, it ensures superior contact area, high current-carrying capacity, and an ultra-long service life.

⚙️
Easy Operation: Tool-free opening and closing with an ingenious lever mechanism for high reliability.
High Performance: Advanced wire spring structure with wear-resistant silver plating for leading heat dissipation.
🛠️
Flexible Install: Two flange installation methods (front and rear) to suit various assembly needs.
🛡️
Safety Signal: Features built-in high-voltage interlock signals (HVIL) for enhanced safety during maintenance.

Technical Parameters

Parameter Details
Electrical CharacteristicsMax 400A (with fuse) / 250A (without fuse)
Mechanical Life≥ 100 times (Plug/Unplug)
Rated Voltage750Vdc (with fuse) / 1000Vdc (without fuse)
Optional Fuse Ratings160A / 200A / 250A / 315A / 350A / 400A
Temperature Range-40℃ to 120℃
HV Cable Compatibility16 - 50mm²
LV Cable Compatibility1.0mm²

Product Visuals

MSD Overview

Packaging & Shipping

We focus on customized solutions for lithium-ion batteries and high-voltage components. Our products are widely applied in solar storage systems, electric vehicles, forklifts, marine equipment, and golf carts. We provide high voltage DC contactors, connectors, and manual service disconnects (MSD) with quality guarantees ranging from 1 to 10 years.

Production Facility

Frequently Asked Questions

How can I obtain a price quotation?
We usually provide a quote within 24 hours of receiving your inquiry. For urgent requests, please highlight this in your communication so we can prioritize it.
Do you have a Minimum Order Quantity (MOQ)?
We aim to support our customers by offering flexible ordering options without strict MOQ requirements for standard products.
Can I request a sample order for quality testing?
Yes, we welcome sample orders to allow customers to test and verify the quality of our products before bulk purchasing.
What is the typical lead time for production?
Samples generally take 7 days, while mass production typically requires 3-5 weeks, depending on the specific order quantity.
Is OEM or custom logo printing supported?
Yes, we fully support OEM orders and can print your logo on the products according to your requirements.
What certifications do your products hold?
Our products are certified with CE, FCC, ROHS, UN38.3, and MSDS among others, ensuring compliance with international standards.

Related Products