ABB - Electrification M3SS7-31G - Modular Selector Switch - 3-Pos Maintained/Momentary, B and C fixed, spring return from A to B - Short handle - Green - Illuminated - Chrome metal - No contact block
ABB - Electrification

M3SS7-31G

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Overview

The ABB M3SS7-31G Modular Selector Switch, SKU M3SS7-31G, from ABB Electrification, is a critical component for precise industrial control. This 3-position illuminated selector switch features a short handle and a durable chrome metal bezel, designed for integration into ABB's modular plastic range. The operating principle is a combination of maintained and momentary actions, with fixed B and C positions and a spring return from A to B, enabling flexible and safe operational sequencing. The green illumination provides clear visual feedback, essential for operator awareness in busy control environments. Dimensions for the M3SS series actuators are 30mm (1.18") wide, 48.5mm (1.91") high, with a panel cutout diameter of 29mm (1.14"). The bezel depth is 43mm (1.69"), and the handle extends 26.5mm (1.04") from the panel. This unit is supplied without a contact block, offering the flexibility to select the optimal contact configuration from ABB's compatible offerings, such as the MLBL series for LED illumination. The M3SS7-31G is ideal for applications requiring reliable switching and clear status indication in machinery, automation systems, and control stations. Trust ABB Electrification for robust and dependable industrial control solutions.
  • 3-position illuminated selector switch
  • Maintained/Momentary operating principle
  • Fixed B and C positions, spring return from A to B
  • Short handle with green illumination
  • Durable chrome metal bezel for industrial environments

Specifications

Application
Mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC and 220 V DC. The contactors can also be used for many other applications such as bypass, capacitor switching, lighting, DC power circuits.
Color
Green
Material
Chrome metal
Size
82x110x108mm
Special Features
Modular Selector Switch - 3-Pos Maintained/Momentary, B and C fixed, spring return from A to B - Short handle - Green - Illuminated - Chrome metal - No contact block
Standard
RoHs, CSA, cUL, CE, GOST
Type
Contactors
Package Dimensions (L x W x H)
4.62 IN x 8.86 IN x 6.3 IN
Package Dimensions (L x W x H)
11.7348 cm x 22.5044 cm x 16.002 cm
Package Weight (Imperial)
0.050 L
Package Weight (Metric)
0.023 kg
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M3SS1-31G

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M2SS4-30B

Modular Selector Switch - 2-Pos Maintained - Long handle - Black - Non-illuminated - Chrome metal - No contact block
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M2SS5-11G

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Frequently Asked Questions about ABB - Electrification

What certifications and standards do ABB - Electrification products comply with?

ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

What industries and applications are ABB - Electrification products used for?

ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.

What technical support does ABB - Electrification offer?

ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.

What are the main product lines offered by ABB - Electrification?

ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.

What are the key features of ABB - Electrification products?

ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

What communication protocols do ABB - Electrification products support?

ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.

What environmental ratings do ABB - Electrification products have?

ABB - Electrification products feature robust environmental ratings across multiple standards, including IP54 to IP66 protection levels and NEMA Type 1 to Type 4X enclosures. These ratings ensure equipment can withstand challenging industrial environments, providing dust-tight, water-resistant, and corrosion-resistant protection for indoor and outdoor applications.

What accessories are available for ABB - Electrification products?

ABB - Electrification offers a comprehensive range of accessories across multiple product lines, including auxiliary contact blocks, signaling contacts, shunt trips, undervoltage releases, electronic timers, interlocks, interface relays, mounting pieces, terminal blocks, and connection accessories. These accessories are designed to enhance functionality, improve connectivity, and provide additional protection for industrial control systems, with many accessories being compatible with SMISSLINE TP plug-in distribution systems and Unifix AD busbar systems.

How are ABB - Electrification products typically installed?

ABB - Electrification products are installed through a professional, systematic process that includes precise equipment verification, secure electrical connections, and comprehensive testing. Installation typically involves verifying foundation requirements, assembling equipment, connecting busbars and control cables, establishing earthing systems, and conducting thorough pre-commissioning and commissioning tests to ensure optimal performance, reliability, and safety.

What is ABB - Electrification's warranty policy?

ABB - Electrification offers a standard 1-year factory warranty for most electrification products, with options to extend warranty coverage up to 5 years for specific product lines like low voltage circuit breakers. Extended warranty requires online registration through ABB's Extended Warranty Tool, which verifies the product application and provides additional coverage for manufacturing defects and factory-mounted accessories.