---
product_id: 51103728
title: "MKSentry RCBO 50A 6kA 30mA Single Module Type B 6939s New RCB O"
brand: "mk"
price: "KD 30.65"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/51103728-mksentry-rcbo-50a-6ka-30ma-single-module-type-b-6939s
store_origin: KW
region: Kuwait
---

# 50A Power Lockable Feature 6kA Protection MKSentry RCBO 50A 6kA 30mA Single Module Type B 6939s New RCB O

**Brand:** mk
**Price:** KD 30.65
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Safety Game!

## Quick Answers

- **What is this?** MKSentry RCBO 50A 6kA 30mA Single Module Type B 6939s New RCB O by mk
- **How much does it cost?** KD 30.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/51103728-mksentry-rcbo-50a-6ka-30ma-single-module-type-b-6939s)

## Best For

- mk enthusiasts

## Why This Product

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

## Key Features

- • **Robust Design:** 6kA breaking capacity ensures reliability in high-demand environments.
- • **Trusted Quality:** Conforms to BS EN 61009-1 standards for peace of mind.
- • **Unmatched Safety:** 30mA sensitivity for ultimate protection against electrical faults.
- • **Convenient Locking:** Lockable in both ON and OFF positions for added security.
- • **Compact & Efficient:** Sleek DIN Rail mount design saves space without compromising performance.

## Overview

The MKSentry RCBO 50A 6kA 30mA Single Module Type B 6939s is a high-performance electrical protection device designed for home appliances. With a robust 6kA breaking capacity and 30mA sensitivity, it ensures safety against electrical faults while offering a lockable feature for secure operation. Compact and compliant with BS EN 61009-1 standards, this device is perfect for modern electrical systems.

## Description

MKSentry RCBO 50A 6kA 30mA Single Module Type B 6939s New RCB O

## Features

- MK Electric Sentry 6933s
- 50a, 30mA, Type B, 6kA breaking capacity
- Conforms to BS EN 61009-1
- Lockable in the ON or OFF position, The device will still operate when locked ON
- These devices are 1pole & solid neutral.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | MK Electric |
| Part number | 6939s |
| Item Weight | 220 g |
| Package Dimensions | 14.8 x 10.2 x 2.8 cm; 220 g |
| Item model number | 6939s |
| Item Package Quantity | 1 |
| Plug profile | DIN Rail Mount |
| Specific uses | Home Appliances, Electrical Protection |
| Batteries included? | No |
| Batteries Required? | No |

## Images

![MKSentry RCBO 50A 6kA 30mA Single Module Type B 6939s New RCB O - Image 1](https://m.media-amazon.com/images/I/81zKnd9n5ML.jpg)

## Frequently Bought Together

- MK Sentry RCBO 50A 6kA 30mA Single Module Type B 6939s New RCB O
- MK Electric Sentry 32A Single Pole Type B MCB
- DIN Rail Enclosure, Consumer Unit Box IP65 Waterproof, DIN Rail Box 5 Module, With 4 Terminals, 2 Connectors, Suitable for Outdoor Gardens, Farms, Charging Stations, Wet Rooms

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**Shop now:** [https://www.desertcart.com.kw/products/51103728-mksentry-rcbo-50a-6ka-30ma-single-module-type-b-6939s](https://www.desertcart.com.kw/products/51103728-mksentry-rcbo-50a-6ka-30ma-single-module-type-b-6939s)

---

*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-03-10*