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FANUC Series 20 A20B-0004-0440

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A20B-0004-0440

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The A20B-0004-0440 is a power-relay PCB belonging to FANUC's Series 20 line. It operates with a control supply of 200 VAC, making it suitable for various applications requiring relay contacts for outputs and logic signals for control inputs.

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Technical specifications for A20B-0004-0440

ManufacturerFANUC
Product TypePower-relay PCB
Product LineSeries 20
Part NumberA20B-0004-0440
Weight1.63 lbs (0.74 kg)
Control Supply200 VAC
System InterfaceBackplane connector
OutputsRelay contacts
Control InputsLogic signals
ProtectionFuse & fault detect
DiagnosticsStatus LEDs
Form FactorSingle-slot card
Mounting/ConnectorsEdge connector
Operating Temperature0–55 °C
Humidity RatingNon-condensing
IsolationLogic-power separation
Power SequencingOn/off control
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The FANUC A20B-0004-0440 power relay PCB is designed for reliable control applications. Operating on a 200 VAC control supply, this module integrates seamlessly with system components using a backplane connector. Outputs from this unit are delivered through relay contacts, while control inputs function using logic signals, ensuring compatibility with various control systems.

This module’s protective measures include fuses and fault detection capabilities, enhancing safety and reliability during operation. For real-time monitoring, status LEDs provide essential diagnostic feedback. The card features a single-slot form factor, allowing for easy integration into existing setups via an edge connector for mounting and connectivity.

The operational range supports temperatures between 0°C and 55°C, and it is designed to perform effectively in non-condensing environments. Isolation is ensured through logic-power separation, contributing to its efficiency in power sequencing with on/off control functionalities.