---
product_id: 35439518
title: "BAOMAIN Limit Switch, BM-3112 IP67 Waterproof Sealed Roller Plunger MOMENTARY MINI Limit Switch, PRE-Wired 3M Cable, 1NO+1NC SPDT 5A 250VAC for CNC Machine 3D Printer"
brand: "baomain"
price: "฿2301"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/35439518-baomain-limit-switch-bm-3112-ip67-waterproof-sealed-roller-plunger
store_origin: TH
region: Thailand
---

# IP67 waterproof & dustproof 3m pre-wired cable length 5A SPDT switching power BAOMAIN Limit Switch, BM-3112 IP67 Waterproof Sealed Roller Plunger MOMENTARY MINI Limit Switch, PRE-Wired 3M Cable, 1NO+1NC SPDT 5A 250VAC for CNC Machine 3D Printer

**Brand:** baomain
**Price:** ฿2301
**Availability:** ✅ In Stock

## Summary

> 🔌 Elevate your automation game with Baomain’s rugged precision switch!

## Quick Answers

- **What is this?** BAOMAIN Limit Switch, BM-3112 IP67 Waterproof Sealed Roller Plunger MOMENTARY MINI Limit Switch, PRE-Wired 3M Cable, 1NO+1NC SPDT 5A 250VAC for CNC Machine 3D Printer by baomain
- **How much does it cost?** ฿2301 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/35439518-baomain-limit-switch-bm-3112-ip67-waterproof-sealed-roller-plunger)

## Best For

- baomain enthusiasts

## Why This Product

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

## Key Features

- • **IP67 Waterproof & Dustproof:** Engineered to thrive in harsh, damp, or dusty environments—never compromise on durability.
- • **Robust 5A SPDT Control Circuit:** Handles 250VAC loads with 1NO+1NC contacts for versatile control and safety interlocks.
- • **Precision Sealed Roller Plunger:** Low-friction actuation for smooth, reliable performance in demanding automation setups.
- • **Extended 3-Meter Pre-Wired Cable:** Simplifies installation and offers flexible positioning to fit your custom setups effortlessly.
- • **OEM-Grade CNC & 3D Printer Ready:** Direct TZ-3112 replacement ensures seamless integration with your high-tech machinery.

## Overview

The Baomain BM-3112 Limit Switch is a sealed roller plunger switch designed for industrial-grade applications like CNC machines and 3D printers. Featuring a 5A SPDT (1NO+1NC) control circuit, IP67 waterproof and dustproof rating, and a 3-meter pre-wired cable, it ensures reliable, low-friction operation and easy installation in challenging environments.

## Description

Baomain BM-3112 Limit Switch, TZ-3112 Sealed Roller Plunger, Momentary SPDT 1NO+1NC IP67 Waterproof

## Features

- 【Sealed Roller Plunger】Combines a sealed construction with roller actuation for low-friction performance
- 【Compatible TZ-3112 Replacement】 Designed as an OEM-style replacement for use in CNC machines, 3D printers, and automated doors
- 【5A SPDT Control Circuit Switching】 Features a 1NO+1NC configuration, rated for 5A/250VAC to handle control and safety interlock functions
- 【IP67 Rated Waterproof Seal】 IP67 rating protects against dust ingress and water immersion for use in damp or dusty environments
- 【Pre-Wired with 3-Meter Cable】 Includes a 3-meter(9.8Ft) lead to simplify installation and provide flexibility in positioning

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Operation Mode | ON-OFF |
| Current Rating | 5 Amps |
| Operating Voltage | 250 Volts |
| Contact Type | 1no 1nc |
| Connector Type | Auxiliary |
| Brand | Baomain |
| Terminal | Spdt |
| Item dimensions L x W x H | 7 x 9 x 1.2 inches |
| Actuator Type | Plunger |
| Contact Material | Plastic |
| International Protection Rating | IP67 |
| Number of Positions | 3 |
| Connectivity Protocol | X-10 |
| Color | Grey |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | Tmaztz |
| Part Number | TZ-3112 |
| Item Weight | 12 ounces |
| Product Dimensions | 7 x 9 x 1.2 inches |
| Item model number | TZ-3112 |
| Item Package Quantity | 1 |
| Measurement System | Metric, Imperial |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Operation Mode:** ON-OFF
- **Current Rating:** 5 Amps
- **Operating Voltage:** 250 Volts
- **Contact Type:** Normally Open & Normally Closed
- **Connector Type:** Auxiliary, Clamp
- **Brand:** Baomain
- **Terminal:** Spdt
- **Item dimensions L x W x H:** 7 x 9 x 1.2 inches
- **Circuit Type:** 2-way
- **Actuator Type:** Plunger

## Images

![BAOMAIN Limit Switch, BM-3112 IP67 Waterproof Sealed Roller Plunger MOMENTARY MINI Limit Switch, PRE-Wired 3M Cable, 1NO+1NC SPDT 5A 250VAC for CNC Machine 3D Printer - Image 1](https://m.media-amazon.com/images/I/6114pjm78QL.jpg)

## Available Options

This product comes in different **Model** options.

## Frequently Bought Together

- Baomain Limit Switch BM-3112 (TZ-3112) Sealed Roller Plunger Momentary 1NO 1NC SPDT IP67 Waterproof
- Baomain Limit Switch BM-3104 (TZ-3104) Roller Lever Plunger Momentary SPDT NO+NC IP67 Waterproof
- Baomain Limit Switch TZ-3111 (BM-3111) Sealed Plunger Momentary SPDT 1NO 1NC IP67 Waterproof

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**Shop now:** [https://www.desertcart.co.th/products/35439518-baomain-limit-switch-bm-3112-ip67-waterproof-sealed-roller-plunger](https://www.desertcart.co.th/products/35439518-baomain-limit-switch-bm-3112-ip67-waterproof-sealed-roller-plunger)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-27*