# Mitsubishi Electric A1Sx81 PCB Input Unit – Melsec Series

The Mitsubishi Electric A1Sx81 PCB Input Unit is a vital component for your programmable controller setup, facilitating seamless communication within your industrial environment. This digital input unit, part of the Amp Melsec series, ensures reliable performance and integration with various equipment.

Designed for equipment cabinets like the BL EL Equipment Cabinet Arr, this **A1Sx81 input unit** operates at DC12/24V with a current rating of 3/7Ma. Manufactured in Japan, it reflects Mitsubishi Electric's commitment to quality and durability, making it ideal for professionals requiring top-notch performance.

-   **Seamless Integration:** Ensures smooth communication between equipment.
-   **High-Quality Construction:** Crafted for long-lasting performance in industrial settings.
-   **Wide Compatibility:** Designed for use with the Amp Melsec series.
-   **Reliable Performance:** Provides consistent and dependable operation.
-   **Compact Design:** Lightweight unit (300 grams) for easy incorporation.

**Specifications:**  
Voltage: DC12/24V  
Current Rating: 3/7Ma  
Weight: 300 grams  
Country of Origin: Japan

Trust in the Mitsubishi Electric A1Sx81 Input Unit for seamless integration, reliable performance, and broad compatibility. Enhance your industrial or automation systems with this high-quality component from a trusted brand.

[Contact Ram Automations](mailto:info@ramautomations.com)

## Details

- **Price:** 999.0 USD
- **Vendor:** Mitsubishi Electric
- **Type:** Industrial Automation > Programmable Logic Controllers (PLCs) > Input Modules
- **Tags:** A1Sx81, DC12/24V, digital input, industrial automation, input unit, Melsec series, Mitsubishi Electric, PLC input module

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New | 999.00 USD | In stock |

## Images

- Mitsubishi Electric A1Sx81 PCB Input Unit – Melsec Series-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/mitsubishi-electric-a1sx81-input-unit)
> Updated: 2026-09-19