# Fireboy-Xintex Auxiliary Relay [MB30-RLY]

Introducing the Fireboy-Xintex Auxiliary Relay \[MB30-RLY\], a robust and reliable solution designed to handle heavy loads with ease. This 30 Amp, single pole double throw relay is perfect for use with fume detectors such as the MB-1-R and S-2A, ensuring optimal performance and safety in your automotive or marine applications. Constructed with high-quality materials, this relay is built to withstand demanding environments while providing dependable functionality. The compact size, measuring just 2 inches tall, 2 inches wide, and 3 inches long, makes it easy to integrate into your existing systems without taking up valuable space. Weighing only 0.1 lbs, it is lightweight yet durable. The Fireboy-Xintex Auxiliary Relay is an essential component for enhancing safety and efficiency, making it a must-have for anyone serious about protecting their vehicle or boat from harmful fumes. Invest in peace of mind with this exceptional relay today!

## Details

- **Price:** 60.0 USD
- **Type:** Fume Detectors
- **Tags:** 1st Class Eligible, Automotive/RV, Automotive/RV | Fume Detectors, Brand_Fireboy-Xintex, Marine Safety, Marine Safety | Fume Detectors

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 60.00 USD | In stock |

## Images

- Fireboy-Xintex Auxiliary Relay [MB30-RLY] Fireboy-Xintex

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> Source: [Besafe1st](https://besafe1st.com/products/xintex-auxiliary-relay-mb30-rly)
> Updated: 2026-05-21