LS Electric 1389034400 - MR-4 AC440V 50/60Hz 1a3b (Metasol) Low EXP (MR4-13L-R7-E)
LS Electric

1389034400

Contact for Pricing

Overview

The LS Electric MR-4 AC440V 50/60Hz 1a3b (Metasol) Low EXP Motor Starter (SKU: 1389034400) is a compact, explosion-protected motor starter designed for industrial automation systems. Rated for 440 VAC operation at both 50Hz and 60Hz frequencies, this starter ensures reliable motor control in demanding environments. The 1a3b pole configuration provides precise power distribution for single-phase motors, making it ideal for applications requiring compact motor starters with explosion protection. Built with Metasol materials, the MR-4 offers enhanced durability and resistance to harsh conditions, including corrosive or dusty atmospheres. Its low EXP rating (Explosion Protection) certifies compliance with safety standards for hazardous locations, ensuring operator and equipment safety. The starter’s design prioritizes easy integration into control panels and automation systems, with standardized mounting and terminal configurations. With LS Electric’s proven reliability in industrial motor control, this starter delivers consistent performance while minimizing maintenance requirements. Typical applications include conveyor systems, pumps, fans, and other industrial machinery where compact size and explosion protection are critical.
  • Voltage rating: 440 VAC, compatible with 50Hz and 60Hz frequencies
  • Pole configuration: 1a3b for single-phase motor control
  • Explosion protection (Low EXP) for hazardous environments
  • Metasol material construction for durability in harsh conditions
  • Compact design for easy integration into control panels

Specifications

Frequency
50/60Hz
Ip Rating
Low EXP
Poles
1A3B
Series
METASOL
Series
MR-4
Voltage Rating
440 VAC
Voltage Rating
AC440V
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Frequently Asked Questions about LS Electric

What industries and applications are LS Electric products used for?

LS Electric drives and automation solutions are used across multiple critical industrial sectors, including energy, manufacturing, marine, food & beverage, petrochemical, water treatment, HVAC, mining, and metals processing. Their product lines support applications like pumps, compressors, conveyors, cranes, hoists, fans, injection molding, packaging machinery, and industrial process equipment. Key industries include power generation, shipbuilding, textile manufacturing, plastic and rubber production, and infrastructure projects.

What technical support does LS Electric offer?

LS Electric offers comprehensive technical support through SOLUTION SQUARE, an online platform providing engineering resources, software updates, and an open community for automation professionals. Technical support includes access to graphic libraries, product information, engineering software services, and mobile-friendly knowledge sharing. For direct assistance, customers can contact LS Electric's regional offices, with the US support line at 1-800-891-2941 and email at [email protected].

What are the main product lines offered by LS Electric?

LS Electric offers a comprehensive range of low-voltage drive product lines designed for diverse industrial applications. Their key drive series include the M100 Micro Drive, G100 General Drive, S100 Standard Drive, H100 Fan & Pump Drive, L100 Lift Application Drive, iS7 High Performance Drive, and iV5 Vector Drive. These drives cover power ranges from 0.1kW to 800kW, with various voltage configurations and specialized functions for different industrial needs.

What are the key features of LS Electric products?

LS Electric products are characterized by advanced energy-saving drive solutions with exceptional features including high-efficiency motor control, diverse product ranges covering multiple voltage and power configurations, and proven market leadership. Key features include innovative energy efficiency technologies, comprehensive product lines from micro to high-performance drives (M100, G100, S100, H100, iS7), and global recognition as a top innovator with 40% market share in Korea. Their drives offer flexible control, user-friendly interfaces, and solutions for industries ranging from manufacturing to power generation.

What communication protocols do LS Electric products support?

LS Electric supports multiple industrial communication protocols across its product lines, including Modbus TCP/IP, EtherNet/IP, RAPIEnet, DeviceNet, Profibus-DP, EtherCAT, BACnet/IP, BACnet/MSTP, and Lonworks. These protocols enable flexible network integration with transmission speeds ranging from 2.4 Kbps to 100 Mbps, supporting various topologies like bus, ring, and line configurations.

What environmental ratings do LS Electric products have?

LS Electric products offer robust environmental ratings across multiple standards, including NEMA Type 1, 2, 3, 3R, 4, 4X, and 12 enclosures. Many LS Electric devices meet IP66 protection standards, providing excellent resistance against dust, water jets, and corrosive environments. Specific product lines like DS20, DS30, DR30, and DR50 come standard with 3R ratings, with 4X upgrades available as an optional configuration.

What accessories are available for LS Electric products?

LS Electric offers a comprehensive range of accessories across its drive series, including remote keypads, remote cables, communication modules, and I/O expansion options. Key accessories include Ethernet communication modules (EtherNet IP, Modbus TCP), fieldbus options (PROFINET, DeviceNet, Profibus-DP), encoder interfaces, LCD keypads, parameter copy units, and extension I/O modules for series like iS7, iV5, M100, G100, S100, and H100.

What certifications and standards do LS Electric products comply with?

LS Electric products meet rigorous international standards across multiple certification domains, including UL (United States), cULus (Canada), CE (European Community), CCC (China), EAC (Russia), and C-Tick (Australia & New Zealand). Our products comply with critical functional safety standards such as EN 61800-5-2, ISO 13849-1, IEC 61508, and mechanical protection standards like EN 60529 and UL 50, ensuring high-performance and reliability in industrial automation applications.

How are LS Electric products typically installed?

LS Electric products are designed for straightforward, professional installation with comprehensive support. Their global network of experts provides specialized assistance from purchase through installation and maintenance, ensuring customers receive technical guidance during the entire setup process. Depending on the specific product line (drives, PLCs, etc.), installation typically involves following detailed user manuals, using compatible mounting hardware, and leveraging LS Electric's recommended configuration options and communication protocols.