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Lumberg Automation 600003928 ASB 8 5-4-331/5M Passive 8-Port M12 Distribution Block
Passive 8-port, 5-pin M12 distribution block with 5 m integrated control cable, open-end interface, LED status indication, IP67 protection, and one signal per socket for sensor and actuator wiring.
Passive 8-Port M12 Distribution for Sensor and Actuator Wiring
The Lumberg Automation 600003928 ASB 8 5-4-331/5M is a passive M12 distribution block built to consolidate field wiring from sensors and actuators into a clean, serviceable connection point. It provides eight 5-pin A-coded M12 ports with one signal per socket, making it useful for machine-mounted I/O points where wiring needs to stay organized and easy to identify.
The integrated 5 m black PUR control cable has an open-end interface and ground connection for panel-side termination. The cable is halogen free, oil resistant, vibration resistant, and suitable for c-track applications. The orange TPU housing is rated IP67 for dust protection and temporary immersion, while green and yellow LEDs provide quick confirmation of power and channel status during startup or troubleshooting.
🔌 8 M12 Ports
Eight 5-pin A-coded M12 sockets provide organized field connections for sensors and actuators.
🧵 5 m PUR Cable
Integrated halogen-free black PUR cable supports open-end wiring into a panel or junction point.
🟢 LED Status
Green power indication and yellow port status LEDs make field diagnostics faster.
🛡️ IP67 Housing
Orange TPU body protects against dust and temporary immersion in wet industrial areas.
Key Features & Benefits
- 8-port passive distribution block: Creates a single organized wiring point for multiple field devices without adding an active network node.
- 5-pin A-coded M12 I/O connections: Supports standard industrial sensor and actuator connections with one signal per socket.
- Integrated 5 m control cable: Reduces separate cordset requirements and provides an open-end interface for direct cabinet wiring.
- C-track capable PUR cable: The halogen-free, oil-resistant cable is suited for moving cable carrier applications.
- LED diagnostics: Green LED indicates actuator supply status, while yellow LEDs indicate port status per channel.
- 24V DC actuator supply: Runs from a 10–30V DC actuator supply range for common control-panel power systems.
- IP67 field protection: Suitable for machine-mount installation where dust, splash, and temporary water exposure are concerns.
- Industrial contact materials: Gold-plated copper zinc contacts, polyamide contact bearers, and FKM O-rings support reliable connections.
- Included accessories: Supplied with 2 dust covers for unused ports and 10 attachable labels for clear device identification.
- Agency approvals: CE, RoHS compliant, cULus, and CSA approvals support use in industrial automation builds.
⚠️ Passive Block Selection Notes
This is a passive M12 distribution block, not an IO-Link master, Ethernet block, or programmable I/O module. Confirm the required pinout, one-signal-per-socket wiring scheme, current limits, and open-end cable termination before replacing an active block or changing the machine wiring design.
🔎 Wiring & Port Behavior
Each port is intended for single I/O per socket wiring. The block supports 2, 3, and 4-wire digital input wiring and 2 or 3-wire digital output wiring. Current is limited to 1.5 A max per connector and 1.5 A max per module, so connected devices should be checked against the total load available through the block.
Technical Specifications
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Product Code
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600003928
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Manufacturer / Series
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Lumberg Automation ASB 8 5-4-331/5M
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Device Type
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Passive M12 Distribution Block
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Number of Ports
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8
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I/O Connection
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M12, 5 pole, A-coded; 1 pin not connected
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I/O Wiring Configuration
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Single I/O per port
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Control Cable Interface
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Open end with 5 m integrated cable
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Cable Jacket
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Black PUR, halogen free, oil resistant
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Housing Dimensions
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127 mm L x 54 mm W x 30.3 mm H (5" x 2.12" x 1.19")
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Housing Material
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Orange TPU
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Operating Temperature
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5°F to 176°F (-15°C to 80°C)
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Degree of Protection
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IP67
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Outer Cable Diameter
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0.315" (8 mm)
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Conductor Size
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3 x 0.75 mm², 8 x 0.34 mm²
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Contact Base Material
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Gold-plated copper zinc
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Contact Bearer Material
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Polyamide
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O-Ring Material
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FKM
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Contact Resistance
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≤ 5 mΩ
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Insulation Resistance
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> 10^9 Ω
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Approvals
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CE, RoHS compliant, cULus, CSA
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Note: Verify final pinout, wiring, and load limits against the manufacturer's documentation and the equipment wiring diagram before installation.
📋 Installation Overview
1.
Mount the block: Install the distribution block near the field devices to reduce individual cable runs.
2. Connect devices: Attach 5-pin A-coded M12 sensor or actuator cordsets to the ports and cap unused ports with dust covers.
3. Terminate the cable: Route the 5 m open-end control cable to the cabinet or junction point and terminate according to the machine wiring diagram.
4. Check load limits: Verify connected devices stay within the 1.5 A per connector and 1.5 A per module ratings.
5. Verify status LEDs: Use the green supply LED and yellow channel LEDs to confirm power and port activity after startup.
Installation should be performed by qualified personnel following the equipment wiring diagram and applicable electrical safety requirements.
📦 Connections & Included Details
Included:
Passive M12 distribution block with integrated 5 m control cable, 2 dust covers, and 10 attachable labels.
Compatibility & Application Reference
Passive Block Configuration Reference
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