# 621-9934 Power Supply | Honeywell 5Vdc I/O Rack

The **Honeywell 621-9934 Power Supply** is a crucial component for your industrial automation needs, specifically designed for the 621 I/O System. Operating at 115/230 Vac and 47-63 Hz, this power supply delivers a reliable 5 Vdc output, ensuring the smooth and efficient functioning of your I/O Rack setup. Its design focuses on seamless compatibility and dependable performance within demanding industrial environments.

This power supply features a compact and lightweight design, making it easy to integrate into existing systems. The **621-9934** model ensures optimal protection for your devices with fuse specifications of 1.60Sb at 115V and 0.80Sb at 230V. It is a robust and efficient solution for powering various components within your I/O Rack, crucial for maintaining operational integrity.

Key Features:

-   **Reliable Power Output:** Provides a stable 5 Vdc for consistent performance.
-   **Wide Voltage Range:** Operates at 115/230 Vac, accommodating diverse power inputs.
-   **Compact Design:** Lightweight and easy to install within existing rack systems.
-   **Fuse Protection:** Incorporates robust fuse protection for device safety.
-   **Seamless Compatibility:** Designed specifically for the 621 I/O System.

Specifications:

-   Input Voltage: 115/230 Vac
-   Input Frequency: 47-63 Hz
-   Output Voltage: 5 Vdc
-   Weight: 1.020 Kg

Choose the **Honeywell 621-9934** for dependable power delivery in your industrial automation applications. This power supply offers the performance and durability needed to optimize your system's efficiency. Contact Ram Automations at [info@ramautomations.com](mailto:info@ramautomations.com) for more details and to integrate this critical component into your industrial or automation systems.

## Details

- **Price:** 999.0 USD
- **Vendor:** Honeywell
- **Type:** Industrial Automation > Power Supplies > DC Power Supply
- **Tags:** 5Vdc, 621-9934, Honeywell, I/O Rack, industrial automation, power supply

## Variants

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

## Images

- 621-9934 Power Supply | Honeywell 5Vdc I/O Rack-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/621-9934-honeywell-power-supply)
> Updated: 2026-09-18