ABB - Electrification K6-31Z-01 - The K6-31Z mini contactor relay is a compact 4 pole contactor relay with screw terminals. They are ideally suited for applications where reliability is a must and space is at a premium. Mini contactors relays are used in residential buldings, commercial buildings and industrial applications for switching of control signals up to 3 A / 400 V (AC-15). Further features are the silent coil, a switch position indication and the integrated possibility for rail or wall mounting.
ABB - Electrification

K6-31Z-01

Contact for Pricing

Overview

The ABB K6-31Z is a compact 4-pole mini contactor relay designed for space-constrained control applications in residential, commercial, and industrial environments. This AC-operated unit features 3 Normally Open (N.O.) and 1 Normally Closed (N.C.) contacts, making it ideal for switching control signals and small loads up to AC-15 4 A / 240 V. The relay is engineered for reliability and efficiency, with a low-consumption coil drawing just 3.5 VA at both pull-in and holding stages, ensuring energy savings without compromising performance. Key features include a hum-free coil for silent operation, which is particularly beneficial in noise-sensitive environments such as offices or residential buildings. The K6-31Z meets the requirements for Mechanically Linked contacts per IEC/EN 60947-5-1 annex L, enhancing safety and reliability in critical circuits. Its compact design (47.5 mm x 42.2 mm x 45.2 mm) allows for easy integration into tight spaces, while the clear switch position indication simplifies status monitoring. Installation flexibility is a major advantage, with support for both rail and wall mounting. The relay also accommodates add-on auxiliary contact blocks for front or side mounting, enabling expanded functionality to meet specific application needs. Available in multiple control circuit voltages (24 V, 48 V, 110-127 V, 220-240 V, and 380-415 V), the K6-31Z provides versatility for global applications. With a weight of just 0.175 kg per unit, it is lightweight yet robust, backed by ABB’s reputation for quality and innovation in motor protection and control solutions.
  • 4-pole design with 3 N.O. + 1 N.C. contacts for versatile control
  • AC-operated with low-consumption coil (3.5 VA at pull-in and holding)
  • Hum-free coil ensures silent operation in sensitive environments
  • Meets IEC/EN 60947-5-1 annex L for mechanically linked contacts
  • Supports rail and wall mounting with add-on auxiliary contact blocks
  • Compact dimensions: 47.5 mm x 42.2 mm x 45.2 mm, weight: 0.175 kg
  • Available in multiple control circuit voltages: 24 V, 48 V, 110-127 V, 220-240 V, 380-415 V

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.
Connection Type
Screw Terminal
Current Rating
3 A
Mounting Type
Rail or Wall Mounting
Poles
4P
Rated Control Circuit Voltage
24 V AC
Series
K6
Size
82x110x108mm
Special Features
The K6-31Z mini contactor relay is a compact 4 pole contactor relay with screw terminals. They are ideally suited for applications where reliability is a must and space is at a premium. Mini contactors relays are used in residential buldings, commercial buildings and industrial applications for switching of control signals up to 3 A / 400 V (AC-15). Further features are the silent coil, a switch position indication and the integrated possibility for rail or wall mounting.
Standard
RoHs, CSA, cUL, CE, GOST
Terminal Type
Screw Terminals
Type
Contactors
Voltage Rating
400 V
Package Dimensions (L x W x H)
11.024 IN x 4.528 IN x 2.126 IN
Package Dimensions (L x W x H)
28.001 cm x 11.5011 cm x 5.4 cm
Package Weight (Imperial)
4.012 L
Package Weight (Metric)
1.820 kg

Similar Products

K6-31Z-80

Rated Control Circuit Voltage: 220 ... 240 V AC

Series: K6-31Z

K6-31Z-84

Rated Control Circuit Voltage: 110 ... 127 V AC

Series: K6-31Z

K6-31Z-85

Rated Control Circuit Voltage: 380 ... 415 V AC

Mounting Type: Rail or Wall

Series: K6-31Z

K6-31Z-F-01

Terminal Type: Flat-Pin Connections

Poles: 4

Connection Type: Flat Pin

K6-31Z-F-80

Rated Control Circuit Voltage: 220 ... 240 V AC

Terminal Type: Flat-Pin Connections

Voltage Rating: 400 V AC-15

K6-31Z-F-84

Terminal Type: Flat-Pin Connections

Rated Control Circuit Voltage: 110 ... 127 V AC

Voltage Rating: 400 V AC-15

You May Also Be Interested In

The B6S-30-01 mini contactor is a compact 3 pole contactor with 1 auxiliary contact and screw terminals. They are ideally suited for applications where reliability is a must and space is at a premium. Mini contactors are used in residential buldings, commercial buildings and industrial applications for the control of single or three-phase loads up to 4 kW (AC-3) and 20 A / 690 V (AC-1) or switching of control signals. Due to the low coil consumption, this device can be directly controlled by a PLC. Further features are the noiseless and hum-free coil, the integrated protective circuit with diodes and additional overvoltage protection, a switch position indication and the integrated possibility for rail or wall mounting.

B6S-30-01-2.8

The B6S-30-10 mini contactor is a compact 3 pole contactor with 1 auxiliary contact and screw terminals. They are ideally suited for applications where reliability is a must and space is at a premium. Mini contactors are used in residential buldings, commercial buildings and industrial applications for the control of single or three-phase loads up to 4 kW (AC-3) and 20 A / 690 V (AC-1) or switching of control signals. Due to the low coil consumption, this device can be directly controlled by a PLC. Further features are the noiseless and hum-free coil, the integrated protective circuit with diodes and additional overvoltage protection, a switch position indication and the integrated possibility for rail or wall mounting.

B6S-30-10-1.7

The B6S-30-10 mini contactor is a compact 3 pole contactor with 1 auxiliary contact and screw terminals. They are ideally suited for applications where reliability is a must and space is at a premium. Mini contactors are used in residential buldings, commercial buildings and industrial applications for the control of single or three-phase loads up to 4 kW (AC-3) and 20 A / 690 V (AC-1) or switching of control signals. Due to the low coil consumption, this device can be directly controlled by a PLC. Further features are the noiseless and hum-free coil, the integrated protective circuit with diodes and additional overvoltage protection, a switch position indication and the integrated possibility for rail or wall mounting.

B6S-30-10-2.8

The B6-22-00 mini contactor is a compact 4 pole contactor with screw terminals. They are ideally suited for applications where reliability is a must and space is at a premium. Mini contactors are used in residential buldings, commercial buildings and industrial applications for the control of single or three-phase loads up to 4 kW (AC-3) and 20 A / 690 V (AC-1) or switching of control signals. Further features are the silent coil, a switch position indication and the integrated possibility for rail or wall mounting.

B6-22-00-80

The B6-22-00 mini contactor is a compact 4 pole contactor with screw terminals. They are ideally suited for applications where reliability is a must and space is at a premium. Mini contactors are used in residential buldings, commercial buildings and industrial applications for the control of single or three-phase loads up to 4 kW (AC-3) and 20 A / 690 V (AC-1) or switching of control signals. Further features are the silent coil, a switch position indication and the integrated possibility for rail or wall mounting.

B6-22-00-84

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.