---
title: "How is a screw jack system protected against overload?"
url: "https://zimm.com/wiki/how-is-a-screw-jack-system-protected-against-overload-2/"
datePublished: "2025-08-21T12:55:27+00:00"
dateModified: "2026-06-29T06:14:31+00:00"
author: "jonathan-mildner"
lang: en
canonical: "https://zimm.com/wiki/how-is-a-screw-jack-system-protected-against-overload-2/"
markdown: "https://zimm.com/ai/wiki/how-is-a-screw-jack-system-protected-against-overload-2.md"
categories: "Questions and answers about our products, Screw jacks, Electromechanical actuators"
---

ZIMM protects screw jack systems against overload through:

- Current monitoring
- Safety nut monitoring
- Limit switches
- Brakes (for ball screw drives)

These mechanisms prevent damage caused by overload or blockage. Here is an example:

https://youtu.be/JZAq1fDo_8Y

## Videos

### Sicherheit & Überwachung | Ausfallzeiten vermeiden & Personen schützen

In this video, viewers will learn about safety and monitoring mechanisms that protect screw jack systems from overload, including current monitoring, safety nut monitoring, limit switches, and brakes.

- [Watch on YouTube](https://www.youtube.com/watch?v=JZAq1fDo_8Y)