Littelfuse EVR-2A06-1 - The EVR Series printed circuit board (PCB) two-pole (2P) ac power relay is designed to switch EV charging applications on and off. Its extended contact gap of greater than 3 mm provides better isolation and allows for usage in higher elevation environments. The very compact form factor has a low temperature rise and heavy-duty power switching current up to 40 A/277 V ac. This relay family enables compliance with all EV charging infrastructure standards such as IEC 62955, IEC 62752 and UL 2231.
Littelfuse

EVR-2A06-1

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Overview

The **Littelfuse EVR-2A06-1** is a high-performance **2-pole (2P) AC power relay** engineered specifically for **electric vehicle (EV) charging infrastructure**, delivering robust switching performance in demanding applications. Designed to meet the rigorous demands of modern EV charging systems, this relay combines **extended contact gap isolation (3mm+)** with a **compact form factor**, ensuring reliable operation in high-elevation environments where air density is reduced. With a **heavy-duty power switching capacity of 40 A at 277 V AC**, the EVR-2A06-1 is optimized for high-current applications, including Level 2 and DC fast-charging stations, where consistent performance and safety are critical. **Key Features & Technical Advantages:** - **Superior Isolation & Safety:** The **extended contact gap of 3mm+** exceeds standard relay requirements, providing enhanced dielectric strength and reducing the risk of arcing or contact welding—critical for high-voltage EV charging environments. This feature also ensures compliance with **IEC 62955** (residual current monitoring) and **UL 2231** (personnel protection), making it ideal for both residential and commercial charging stations. - **Compact & Efficient Design:** Despite its high power handling, the EVR-2A06-1 maintains a **low temperature rise** and **space-saving footprint**, allowing for seamless integration into compact control panels or charging station enclosures. This design flexibility reduces installation complexity and minimizes thermal management challenges. - **Industry-Compliant Performance:** Fully compliant with **IEC 62752** (in-cable control and protection device for EV charging) and **UL 2231** (safety requirements for electric vehicle conductive charging systems), the relay ensures end-to-end protection for users and infrastructure. Its **2-pole configuration** enables independent switching of both AC lines, improving fault tolerance in critical applications. - **Durable & Reliable Construction:** Built for **heavy-duty industrial use**, the EVR-2A06-1 is constructed with high-quality materials to withstand frequent switching cycles, voltage spikes, and environmental stressors. Its **robust contact system** ensures long-term reliability, reducing maintenance costs and downtime in high-usage charging networks. - **Versatile Applications:** Beyond EV charging, this relay is well-suited for **industrial automation, renewable energy systems, and high-power distribution** where precise AC switching is required. Its **277 V AC rating** makes it compatible with North American commercial electrical systems, while its global certifications ensure adaptability for international markets. **Why Choose Littelfuse for EV Charging Relays?** Littelfuse is a **global leader in circuit protection and power switching solutions**, with decades of expertise in designing relays for mission-critical applications. The **EVR Series** reflects the company’s commitment to innovation, safety, and compliance, offering engineers and system integrators a **trusted component** for EV infrastructure. By selecting the EVR-2A06-1, professionals gain: - **Reduced design risk** with pre-certified compliance to key EV charging standards. - **Enhanced system safety** through superior isolation and fault protection. - **Long-term cost savings** with durable, low-maintenance operation. - **Seamless integration** into existing and future EV charging architectures. **Typical Applications Include:** - **Level 2 AC EV Charging Stations** (e.g., home, workplace, public charging) - **DC Fast Charging (DCFC) Systems** (e.g., 50 kW+ chargers) - **Industrial Power Distribution Panels** (e.g., manufacturing, logistics) - **Renewable Energy Integration** (e.g., solar/wind power switching) - **High-Elevation Installations** (e.g., mountain or aircraft charging stations) For engineers and procurement teams sourcing **high-reliability AC relays for EV charging**, the Littelfuse EVR-2A06-1 delivers unmatched performance, compliance, and peace of mind. Its **proven track record** in demanding applications—combined with Littelfuse’s global support network—makes it the **preferred choice** for next-generation charging infrastructure.
  • 2-pole (2P) AC power relay designed for EV charging applications
  • 40 A / 277 V AC heavy-duty switching capacity
  • Extended 3mm+ contact gap for superior isolation and high-elevation performance
  • Compact form factor with low temperature rise for efficient thermal management
  • Compliant with IEC 62955, IEC 62752, UL 2231 for global EV charging standards

Specifications

Compliance
IEC 62955, IEC 62752, UL 2231
Connection Type
PCB
Contact Gap
3 mm+
Current Rating
40 A
Mounting Type
PCB-mountable
Poles
2P
Series
EVR
Voltage Rating
277 V AC
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Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.