Littelfuse EVR-2B06-1 - 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-2B06-1

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Specification Sheet

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Multiplier: 200

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Overview

The **Littelfuse EVR-2B06-1** is a high-performance **two-pole (2P) AC power relay** engineered specifically for **electric vehicle (EV) charging infrastructure**, delivering robust switching capabilities in compact form factors. Designed to meet the rigorous demands of modern EV charging systems, this relay combines **40 A current rating at 277 V AC** with an **extended contact gap exceeding 3 mm**, ensuring superior dielectric strength and reliable isolation—even in high-altitude or high-vibration environments. Its compliance with **IEC 62955, IEC 62752, and UL 2231** standards positions it as a trusted solution for **Level 2 AC charging stations, commercial fleet charging, and residential smart charging systems**. **Key Features & Technical Advantages** The EVR-2B06-1 leverages Littelfuse’s expertise in **power switching and protection** to provide engineers with a relay that balances **compact footprint** with **heavy-duty performance**. The **low temperature rise** during operation minimizes thermal stress, extending service life and reducing maintenance costs. Its **2P configuration** enables simultaneous switching of both AC lines in split-phase or single-phase systems, a critical requirement for **EV charging stations** where redundant isolation is often mandated by safety standards. **Industry Applications & Use Cases** This relay is ideal for **EV charging infrastructure**, including: - **Level 2 AC charging stations** (e.g., public charging networks, workplace charging) - **Commercial fleet charging hubs** (e.g., logistics depots, municipal vehicle fleets) - **Residential smart charging systems** (e.g., home EVSE with load management) - **Industrial power distribution** where high-current AC switching is required (e.g., machinery control, backup power systems) **Why Choose Littelfuse for EV Charging Relays?** Littelfuse is a **global leader in circuit protection and power switching**, with decades of experience serving **automotive, industrial, and renewable energy markets**. The EVR Series relays are built on a foundation of **rigorous testing and compliance**, ensuring they meet the **safety and performance demands** of EV charging infrastructure. Professionals in the field trust Littelfuse for: - **Reliable operation** under extreme conditions (e.g., temperature fluctuations, voltage spikes) - **Seamless integration** with EV charging controllers and energy management systems - **Long-term durability** with minimal maintenance requirements **Installation & Design Considerations** The EVR-2B06-1’s **compact form factor** simplifies PCB layout in space-constrained charging station designs, while its **solderable terminals** ensure secure electrical connections. Engineers should account for: - **Clearance and creepage distances** (enhanced by the 3 mm+ contact gap) - **Thermal management** (low temperature rise supports high-density packaging) - **Compliance verification** (ensure alignment with local electrical codes and EV charging standards) **Technical Specifications Summary** - **Voltage Rating:** 277 V AC (suitable for North American split-phase systems) - **Current Rating:** 40 A (handles high-power charging loads) - **Poles:** 2P (dual-pole switching for enhanced safety) - **Contact Gap:** >3 mm (superior isolation for high-altitude or high-voltage applications) - **Compliance:** IEC 62955 (RCD for EV charging), IEC 62752 (in-cable control box), UL 2231 (personnel protection) For engineers and procurement specialists sourcing **high-reliability relays for EV charging**, the Littelfuse EVR-2B06-1 delivers **performance, compliance, and peace of mind** in a single, compact package. Whether deployed in **new installations or retrofits**, this relay ensures **safe, efficient, and future-proof power switching** for the evolving EV infrastructure landscape.
  • 40 A current rating at 277 V AC for heavy-duty EV charging applications
  • Extended contact gap (>3 mm) for superior isolation and high-altitude performance
  • Compliant with IEC 62955, IEC 62752, and UL 2231 for EV charging infrastructure
  • Compact 2P design with low temperature rise for space-constrained installations
  • Trusted Littelfuse quality for reliable operation in industrial and commercial environments

Specifications

Connection Type
Solderable Terminals
Current Rating
40 A
Poles
2P
Series
EVR Series
Voltage Rating
277 VAC
RTXD Extractor Tool

6896057-1

RTXD Extractor Tool
RTXP 18

RK926011-BC

RTXP 18
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IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

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IP67 SCP-X Extreme Environment Series Power Supply. Double Stacked, Output Power 2 x 100W, Output Voltage 24 Vdc, Output Current 7.6 A total, 3.8 A per pair

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.