---
title: "SIP 400A Magnetic Earth Clamp"
id: "24665"
type: "product"
slug: "sip-400a-magnetic-earth-clamp"
published_at: "2026-08-26T10:50:42+00:00"
modified_at: "2026-08-26T10:50:42+00:00"
url: "https://sglonline.co.uk/product/sip-400a-magnetic-earth-clamp/"
markdown_url: "https://sglonline.co.uk/product/sip-400a-magnetic-earth-clamp.md"
excerpt: "SIP 04157 400A Magnetic Earth Clamp The SIP 04157 400A Magnetic Earth Clamp is a heavy-duty welding earth clamp designed to provide a strong magnetic grip on ferrous metal surfaces. Ideal for welding environments where a traditional clamp may be..."
taxonomy_product_brand:
  - "SIP"
taxonomy_product_cat:
  - "MIG Accessories"
  - "Welding Accessories"
---

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[MIG Accessories](https://sglonline.co.uk/product-category/mig-welding/mig-accessories/)

# SIP 400A Magnetic Earth Clamp

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£10.67£12.80 Exc VATInc VAT

Categories: [MIG Accessories](https://sglonline.co.uk/product-category/mig-welding/mig-accessories/)
, [Welding Accessories](https://sglonline.co.uk/product-category/arc-welding/arc-accessories/)
Brand: [SIP](https://sglonline.co.uk/brand/sip/)

- [Description](#tab-description)
- [Reviews (0)](#tab-reviews)

## SIP 04157 400A Magnetic Earth Clamp

The **SIP 04157 400A Magnetic Earth Clamp** is a heavy-duty welding earth clamp designed to provide a strong magnetic grip on ferrous metal surfaces. Ideal for welding environments where a traditional clamp may be difficult to attach, this magnetic earth clamp offers a quick, secure and convenient grounding solution.

With a **400A capacity**, the clamp is suitable for demanding welding applications. Its larger contact area helps improve electrical connection, reduce heat build-up and lower the risk of overheating during use.

Built for rugged workshop and site conditions, the SIP 400A Magnetic Earth Clamp is a practical accessory for welders, fabricators, engineers and metalworkers who need reliable earthing performance.

### Key Features

- 400A magnetic welding earth clamp
- Strong magnetic grip on ferrous metal surfaces
- Ideal where standard earth clamps are difficult to attach
- Larger contact area helps reduce heat build-up
- Helps reduce the risk of overheating
- Designed for rugged and demanding welding environments
- Quick and convenient to position
- Suitable for workshop, fabrication and site welding use
- Excellent value welding accessory

### Typical Applications

- MIG welding
- TIG welding
- MMA / arc welding
- Fabrication workshops
- Site welding
- Engineering and maintenance work
- Welding on large ferrous metal workpieces

### Product Details

- **Product:** SIP 04157 Magnetic Earth Clamp
- **Current Rating:** 400A
- **Clamp Type:** Magnetic earth clamp
- **Suitable For:** Ferrous metal surfaces
- **Use:** Welding earth connection

The **SIP 04157 400A Magnetic Earth Clamp** is an essential welding accessory for users who need a strong, secure and easy-to-position earth connection in demanding working environments.

## Reviews

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