---
product_id: 473055372
title: "Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA."
brand: "kemo"
price: "12 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/473055372-kemo-m158-water-detector-9-12v-dc-integrated-relay-control
store_origin: PL
region: Poland
---

# Water Detection Compact Size 12V DC Power Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA.

**Brand:** kemo
**Price:** 12 zł
**Availability:** ✅ In Stock

## Summary

> 💡 Stay Ahead of the Flood!

## Quick Answers

- **What is this?** Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. by kemo
- **How much does it cost?** 12 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/473055372-kemo-m158-water-detector-9-12v-dc-integrated-relay-control)

## Best For

- kemo enthusiasts

## Why This Product

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

## Key Features

- • **📦 Compact Design:** Sleek dimensions (60 x 45 x 20 mm) fit seamlessly into any environment.
- • **🚨 Instant Alerts:** Built-in relay activates upon water contact, ensuring immediate response.
- • **🔗 Versatile Control:** Easily manage sirens and cut-off relays with dual sensor connections.
- • **⚡ Low Power Consumption:** Operates under 10 mA, making it energy-efficient and cost-effective.
- • **🛠️ Easy Installation:** Wall mountable design with lead-through cable connections for hassle-free setup.

## Overview

The Kemo M158 Water Detector is a reliable and efficient solution for water detection, featuring a built-in relay that activates upon contact with water. With a low power consumption of less than 10 mA, this compact device (60 x 45 x 20 mm) is designed for easy wall mounting and versatile control of sirens and cut-off relays through dual sensor connections.

## Description

M158. When the 2 sensor connections of the module come into contact with water, the built-in relay switches on. This allows you to control sirens, other cut-off relays, etc. Operating voltage: 9 V/DC ideal, (max. 12 V/DC), (please only use a stabilised power supply). Power consumption: "Ready" <10 mA. When in contact with water, the relay switches on, <90 mA each at 9 V/DC.LED displays: 1 LED for the "Power" readiness indicator, 1 LED for the "On" display when the relay turns on.Connections: via lead-through cable.Approved cable length to the water sensor: max. 5 m with normal cable, max. 100 m with shielded cable when the shielding braid is connected to the negative pole of the supply voltage.Dimensions: moulded module housing approx. 60 x 45 x 20 mm (without mounting straps).

## Features

- When the module comes into contact with water, built-in relay switches on
- Equipped with 2 sensor connections
- Control of e.g. sirens and other cut-off relays
- Connections: via lead-through cable
- Dimensions: approx. 60 x 45 x 20 mm (without mounting straps)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Voltage | 12 Volts (DC) |
| Control method | Touch |
| Mounting type | Wall Mount |
| Sensor technology | Contact Sensor |
| Global Trade Identification Number | 04024028031583 |
| Manufacturer | Kemo |
| Part number | M158 |
| Item Weight | 99.8 g |
| Product Dimensions | 6 x 2 x 15.8 cm; 99.79 g |
| Item model number | M158 |
| Color | Black |
| Material | lead |
| Item Package Quantity | 1 |
| Included components | Switch |
| Batteries Included? | No |
| Batteries Required? | No |
| tech_spec_battery_description_toys | Generic Battery Powered |

## Product Details

- **Colour:** Black
- **Brand:** KEMO
- **Power source:** Corded Electric
- **Product dimensions:** 6L x 2W x 15.8H centimeters
- **Battery description:** Generic Battery Powered

## Images

![Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. - Image 1](https://m.media-amazon.com/images/I/61dBSZyAgnL.jpg)
![Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. - Image 2](https://m.media-amazon.com/images/I/51+AEUgumHL.jpg)
![Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. - Image 3](https://m.media-amazon.com/images/I/616QmLYbcFL.jpg)
![Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. - Image 4](https://m.media-amazon.com/images/I/71Tp5rhN7rL.jpg)
![Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA. - Image 5](https://m.media-amazon.com/images/I/61hxyH58+nL.jpg)

## Frequently Bought Together

- Kemo M158 Water Detector 9-12V/DC Integrated Relay. Control Sirens, Other Cut-Off relays, etc. with LED displays: Power Consumption: < 10 mA.
- MeanWell MEAN WELL HDR-15-12 Top-Hat Rail Power Supply, 15 W, 12 V, 1.25 A, 85-264VAC, Din-Rail Mount, Current Rating 1.25 Amps, HDR-15 Series

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pl/products/473055372-kemo-m158-water-detector-9-12v-dc-integrated-relay-control](https://www.desertcart.pl/products/473055372-kemo-m158-water-detector-9-12v-dc-integrated-relay-control)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-27*