---
product_id: 16264112
title: "KB Electronics KBMD-240D (9370D) Multi-Drive Variable Speed DC Motor Control, NEMA-1"
brand: "kb electronics"
price: "€ 443.91"
currency: EUR
in_stock: true
reviews_count: 8
category: "Kb Electronics"
url: https://www.desertcart.at/products/16264112-kb-electronics-kbmd-240d-9370d-multi-drive-variable-speed-dc
store_origin: AT
region: Austria
---

# Dual voltage 115/230VAC Precision speed control knob Rugged all-aluminum enclosure KB Electronics KBMD-240D (9370D) Multi-Drive Variable Speed DC Motor Control, NEMA-1

**Brand:** kb electronics
**Price:** € 443.91
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power your precision with rugged reliability — don’t get left behind!

## Quick Answers

- **What is this?** KB Electronics KBMD-240D (9370D) Multi-Drive Variable Speed DC Motor Control, NEMA-1 by kb electronics
- **How much does it cost?** € 443.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/16264112-kb-electronics-kbmd-240d-9370d-multi-drive-variable-speed-dc)

## Best For

- kb electronics enthusiasts

## Why This Product

- Trusted kb electronics brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged Aluminum Build:** Durable NEMA-1 enclosure designed to withstand demanding environments with style.
- • **Precision Speed Tuning:** Fine-tune motor speed effortlessly with an intuitive control knob for ultimate performance.
- • **Expandable Functionality:** Add optional heat sinks and forward/reverse switch kits to customize your drive setup.
- • **Plug-and-Play Installation:** Compact, lightweight design with barrier terminal box ensures quick, hassle-free setup.
- • **Universal Dual Voltage Compatibility:** Seamlessly switch between 115V and 230V inputs for versatile industrial use.

## Overview

The KB Electronics KBMD-240D is a compact, rugged SCR variable speed DC motor controller housed in a durable aluminum NEMA-1 enclosure. Supporting dual voltage inputs (115/230VAC) and customizable with plug-in horsepower resistors, it offers precise speed control and optional upgrades like heat sinks and forward/reverse switching. Ideal for professionals upgrading legacy motors or mini lathes, it delivers smooth, reliable performance with easy installation.

## Description

THIS DRIVE WILL NOT OPERATE WITHOUT A PLUG-IN HORSEPOWER RESISTOR. Horsepower resistors are available for purchase. KBMD-240D Multi-Drive - NEMA-1 SCR Drive The Model KBMD-240D, also called Multi Drive, is a packaged SCR drive in a NEMA-1 enclosure. It utilizes the KBMM speed control for its electronics. The Multi-Drive is rugged and compact in size. It handles both 115 and 230VAC line inputs by setting the built-in Dual Voltage Switch. In addition, the single model can be used on a wide range of motor horsepower by inserting the appropriate Plug-in Horsepower Resistor. The Auxiliary Heat sink (optional) increases the rating of the basic unit. An optional Forward Brake-Reverse Switch Kit is also available.

Review: Mini-lathe motor controller!! - High quality DC motor controller! Purchased this to operate my Grizzly G0765 mini lathe who's board burned up. I cannot say enough good things about this controller. Very smooth operation and runs very cleanly. The fine tuning pots allow the user to dial in all the necessary parameters for stop, torque, startup, etc. I'd go as far to say simply get rid of your mini lathe controller and just install this. The build quality of the board and components are several steps above. Simply a fantastic unit.
Review: Works well, very pleased - I purchased this to put on a Rockwell/ Delta wood lathe. It's an older lathe, and I wanted to give myself some of the updated options of todays lathes(forward / reverse / variable speed). I also added a DC reversible motor. With these additions, I have the ease of maintenance of the older lathes and the variable speeds / reverse options of the newer models.

## Features

- Rugged all aluminum enclosure
- AC power indicator
- On/Off power switch
- Speed control knob
- Barrier terminal box

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00RW7LSXM |
| Additional Features | Portable |
| Best Sellers Rank | #98,125 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #61 in Motor Speed Controllers |
| Brand | KB ELECTRONICS |
| Cache Memory Installed Size | 1 |
| Color | Black |
| Connectivity Technology | Auxiliary |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.5 4.5 out of 5 stars (75) |
| Digital Storage Capacity | 1 MB |
| Enclosure Material | Aluminum |
| Form Factor | compact |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Interface | SCSI |
| Hardware Connectivity | SCSI |
| Installation Type | Plug In |
| Item Weight | 2 Pounds |
| Manufacturer | KB Electronics |
| Model Name | KBMD-240D |
| Model Number | AAA KBMD-240D |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Warranty Description | 1 year limited warranty |

## Product Details

- **Brand:** KB ELECTRONICS
- **Cache Size:** 1
- **Color:** Black
- **Connectivity Technology:** Auxiliary
- **Digital Storage Capacity:** 1 MB
- **Hard Disk Description:** Mechanical Hard Disk
- **Hard Disk Interface:** SCSI
- **Installation Type:** Plug In
- **Model Name:** KBMD-240D
- **Special Feature:** Portable

## Images

![KB Electronics KBMD-240D (9370D) Multi-Drive Variable Speed DC Motor Control, NEMA-1 - Image 1](https://m.media-amazon.com/images/I/51dEFXLqgxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Mini-lathe motor controller!!
*by P***S on September 23, 2022*

High quality DC motor controller! Purchased this to operate my Grizzly G0765 mini lathe who's board burned up. I cannot say enough good things about this controller. Very smooth operation and runs very cleanly. The fine tuning pots allow the user to dial in all the necessary parameters for stop, torque, startup, etc. I'd go as far to say simply get rid of your mini lathe controller and just install this. The build quality of the board and components are several steps above. Simply a fantastic unit.

### ⭐⭐⭐⭐⭐ Works well, very pleased
*by G***N on June 20, 2023*

I purchased this to put on a Rockwell/ Delta wood lathe. It's an older lathe, and I wanted to give myself some of the updated options of todays lathes(forward / reverse / variable speed). I also added a DC reversible motor. With these additions, I have the ease of maintenance of the older lathes and the variable speeds / reverse options of the newer models.

### ⭐⭐⭐⭐⭐ DC Motor Controller
*by W***N on October 25, 2025*

Great controller. I use this to replace my original controller on my Big Dog mill and lathe. Both machines used to same control boards that are in this controller, but stuffed inside oem housing. I wanted to just get rid of the oem housing and go to something simpler. Super easy to install and modify to fit machine. I did have to make adjustments to pot settings. Took seconds to adjust to my liking. Shipping was quick. Had it in 3-4 days. What more can you ask for. Thanks

## Frequently Bought Together

- KB Electronics KBMD-240D (9370D) Multi-Drive Variable Speed DC Motor Control, NEMA-1
- Plug-In Horsepower Resistor (9843)
- KB ELECTRONICS 9860 10 OHM Braking Resistor, 3-Position, 50 WATT, Forward-Brake-Reverse, KBMD FBR Switch, Mechanical, Switch, Wired Assembly

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-05-12*