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The Connects Stocking Program makes selecting cables and I/O blocks for power, sensors, and network simple and fast – all from a single source. Balluff I/O blocks and cables provide flexible and reliable connections with quick and easy integration and commissioning of your machines and systems.
The program’s cables and I/O blocks are polyurethane (PUR) coated, which offers the best overall performance based on a cost/benefits ratio, excelling in resistance to a wide range of materials, liquids, and other harsh or potentially harmful compounds. They fit the North American standard, seamlessly integrating into 85 to 95% of industrial applications. The universal connections allow for simple integration and eliminate the need to mix and match different cable types from different distributors, saving purchasing time, organization, and labor costs.
Selecting the Right Cable
As an engineering partner, systems integrator, and value-added distributor (ESV), we’re here to help you select cables for your machines. Work directly with our technical sales engineers to identify your machine’s needs and the best-fit cables, or follow the steps below to quickly and easily select the right cable on your own.
1. Determine what is being connected: power, sensor, network
2. Specify the power level and where the power is coming from
3. Define the sensor type
4. Specify the network type
5. Identify how the panel will be connected
6. Calculate the length of cable needed
Color Coding
M12 4 & 5 Pin A Coded Connections
- Pin 1 – Brown – power
- Pin 2 – White – signal
- Pin 3 – Blue – power
- Pin 4 – Black – signal
- Pin 5 – Gray – ground or signal

Easy Selection Guide for Machine Builders
M12, 4 Pin, A Coded, PUR Cable, Black Jacket, 24AWG Wires
Most Common Usage: Sensors, Switches, IO Devices, IO Link
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Most Common Usage: Soleniod Valves, Analog Devices, Safety Devices, Grounded Devices
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M12, 5 Pin, Shielded, A Coded, PUR Cable, Black Jacket, 24AWG Wires
Most Common Usage: Analog Devices “0-10V”
7/8”, 4 Pin, TPE Cable, Yellow Jacket, 16AWG Wires
Most Common Usage: 24VDC Power
M12, 4 Pin, D Coded, TPE Cable, Teal Jacket
Most Common Usage: Fast Ethernet “Cat 5e” (Ethernet IP, Ethercat, Profinet)
M12, 8 Pin, X Coded, PUR Cable, Green Jacket
Most Common Usage: Gigabit Ethernet “Cat 6” (Ethernet IP, Ethercat, Profinet)
M12, 4 Pin, Tee
Most Common Usage: IO Block Single Port Tee
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7/8”, 4 Pin, Tee
Most Common Usage: 24VDC Power
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Ethernet IP IO Block, 16 Configurable PNP Inputs/Outputs, 8 IO Link Ports
Most Common Usage: Networking IO
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Easy Selection Guide for Panel Builders
M12, 4 Pin, Female, A Coded, Flying Leads, M16 x 1.5mm Mounting, 24AWG Wires
Most Common Usage: Panel Sensor Connections
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7/8”, 4 Pin, Female, Flying Leads, 1/2” NPT Mounting,
16AWG Wires
Most Common Usage: 24V Remote Power
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M12, 4 Pin, Male, A Coded, Flying Leads, M16 x 1.5mm Mounting,
24AWG Wires
Most Common Usage: Panel Sensor Connections
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M12, 5 Pin, Female, A Coded, Flying Leads, M16 x 1.5mm Mounting, 24AWG Wires
Most Common Usage: Panel Sensor Connections
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M12, 4 Pin, D Coded, PUR Cable, Green Jacket
Most Common Usage: Fast Ethernet “Cat 5e” (Ethernet IP, Ethercat, Profinet)
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M12, 5 Pin, Male, A Coded, Flying Leads, M16 x 1.5mm Mounting, 24AWG Wires
Most Common Usage: Panel Sensor Connections
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