The AREVH50 Series — Compact, Hermetically Sealed DC Contactor (50A / 1500 VDC)

1. The Challenge

As energy storage and e-mobility technologies advance, system voltages continue to rise — from 400 V to 1500 V DC and beyond. These higher voltages demand safe, compact, and durable contactors capable of handling extreme load conditions without arcing, gas release, or reliability loss. In many lithium-based battery, inverter, and DC-bus systems, switching safety is the weakest link — yet it determines overall system uptime, safety certification, and warranty cost.

2. The AREVH50 Solution

The AREVH50 Series from Altran is a hermetically sealed, gas-filled High-Voltage DC Contactor rated at 50 A + / 1500 V DC, designed for high-reliability operation in battery-powered and DC-conversion environments.

Its inert-gas arc chamber and compact sealed design eliminate the risks associated with traditional open-frame contactors — offering silent operation, zero arc leakage, and long life under demanding conditions.

Key design highlights:

• Hermetically sealed chamber – no external arc release

• Inert gas environment for stable, oxidation-free switching

• Compact, lightweight (≈ 230 g) and mountable in any orientation

• Optional auxiliary contact for status monitoring

• CE and RoHS compliant

3. Technical Summary

4. Applications

The AREVH50 is engineered for modern DC energy systems where clean, consistent switching is critical:

• Battery disconnects for lithium-ion and LFP systems (12 V – 1500 V)

• DC bus and inverter switching in hybrid and full-electric vehicles

• Energy storage systems (ESS) and micro-grid battery management

• Photovoltaic and renewable power conversion units

• Test benches and DC power control in industrial environments

Its ability to maintain performance in any mounting orientation makes it ideal for compact battery modules, rack systems, or wall-mounted inverter housings.

5. Reliability & Safety Design

• Hermetically sealed enclosure — protects contacts from dust, humidity, and explosive gases.

• Inert gas chamber — suppresses arc formation and oxidation, ensuring long contact life.

• Integrated coil economizer — reduces coil power without additional surge protection components.

• Wide thermal range (−40 °C to +85 °C) — ensures reliable switching in field-deployed ESS units, EV packs, and outdoor installations.

• No orientation limits — suitable for horizontal, vertical, or inverted mounting in compact enclosures.

6. Why It Matters for Battery & Inverter Manufacturers

As systems scale to 800–1500 V, switching reliability and safety certification become key differentiators. Integrating a proven high-voltage contactor like the AREVH50 helps manufacturers:

• Meet IEC/UL EV and ESS safety compliance faster.

• Reduce field failures due to contact erosion or coil overheating.

• Design smaller, quieter, and maintenance-free power modules.

• Simplify BOMs with one component for multiple voltage platforms.

7. Compliance & Quality

• CE Certified

• RoHS (2011/65/EU) compliant materials

• Manufactured under ISO 9001 quality control

• 100% functional test and leak check before shipment

8. Summary

The AREVH50 delivers the reliability, compactness, and safety demanded by next-generation DC systems. Whether for battery packs, inverters, ESS racks, or PV controllers, it ensures clean, silent, and safe switching up to 1500 V DC — with no compromise on performance or footprint.

To learn more or request samples:

📧 [email protected]

🌐 www.altranmagnetics.com