---
product_id: 43408325
title: "SIMPLEX 4090-9101 - Monitor Relay, ZAM Class B, 18.9-32 VDC (Nominal 24 VDC)"
brand: "simplex"
price: "750.81 DT"
currency: TND
in_stock: true
category: "Simplex"
url: https://www.desertcart.tn/products/43408325-simplex-4090-9101-monitor-relay-zam-class-b-18-9
store_origin: TN
region: Tunisia
---

# 18.9-32 VDC wide voltage range ZAM Class B fire safety certified W Mount for secure installation SIMPLEX 4090-9101 - Monitor Relay, ZAM Class B, 18.9-32 VDC (Nominal 24 VDC)

**Brand:** simplex
**Price:** 750.81 DT
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay ahead of fire risks with SIMPLEX precision ⚡

## Quick Answers

- **What is this?** SIMPLEX 4090-9101 - Monitor Relay, ZAM Class B, 18.9-32 VDC (Nominal 24 VDC) by simplex
- **How much does it cost?** 750.81 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/43408325-simplex-4090-9101-monitor-relay-zam-class-b-18-9)

## Best For

- simplex enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Installation:** W Mount design guarantees a secure and straightforward mounting process.
- • **Trusted Industry Leader:** From the #1 North American fire safety supplier, backed by expert customer support.
- • **Wide Voltage Compatibility:** Operates seamlessly between 18.9-32 VDC, perfect for diverse setups.
- • **Crystal Clear Status Display:** Glossy LCD with 2000:1 contrast ratio offers sharp, easy-to-read monitoring.
- • **Reliable Fire Safety Monitoring:** ZAM Class B certification ensures top-tier fire alarm system integration.

## Overview

The SIMPLEX 4090-9101 Monitor Relay is a ZAM Class B certified fire safety device designed for reliable monitoring within 18.9-32 VDC systems. Featuring a glossy LCD display with a 2000:1 contrast ratio and a secure W Mount installation, it integrates seamlessly into fire alarm control panels. Trusted by North America's leading fire safety supplier, it combines robust performance with dedicated customer support.

## Description

ZAM CLASS B MONITOR, IDNET & MAPNET

## Features

- SIMPLEX 4090-9101 - Monitor Relay, ZAM Class B, 18.9-32 VDC (Nominal 24 VDC)
- #1 Supplier for Fire Safety Equipment in North America. Our company is dedicated to help and supply your fire equipment needs with the best prices Worldwide.
- We have the most dedicated customer service team to help you with any question regarding our products and your orders.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B019MBZEMQ |
| Best Sellers Rank | #351,398 in Electronics ( See Top 100 in Electronics ) #1,605 in Electromechanical Relays #7,076 in Computer Monitors |
| Brand | Simplex |
| Contrast Ratio | 2000:1 |
| Display Technology | LCD |
| Display Type | LCD |
| Image Contrast Ratio | 2000:1 |
| Item Weight | 16 ounces |
| Manufacturer | SIMPLEX |
| Model Name | 4090-9101 |
| Model Number | 4090-9101 |
| Mounting Type | W Mount |
| Screen Finish | Glossy |
| Screen Surface Description | Glossy |
| UPC | 643485652854 |
| Viewing Angle | 178 degrees |

## Product Details

- **Brand:** Simplex
- **Display Technology:** LCD
- **Display Type:** LCD
- **Image Contrast Ratio:** 2000:1
- **Screen Surface Description:** Glossy

## Images

![SIMPLEX 4090-9101 - Monitor Relay, ZAM Class B, 18.9-32 VDC (Nominal 24 VDC) - Image 1](https://m.media-amazon.com/images/I/510poIgsfAL.jpg)
![SIMPLEX 4090-9101 - Monitor Relay, ZAM Class B, 18.9-32 VDC (Nominal 24 VDC) - Image 2](https://m.media-amazon.com/images/I/81WnEEsq3lL.jpg)

## Questions & Answers

**Q: We need 10 pcs of Simplex 4090-9101. Please advise unit pricing, lead time, estimated shipping to Portland OR 97230. Thank you. Claire**
A: Hi ThereWe currently have 3 in stock! They are new but do not have the original packaging. If you are interested in these items please call me at 905-638-1652Thank you!!

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**Shop now:** [https://www.desertcart.tn/products/43408325-simplex-4090-9101-monitor-relay-zam-class-b-18-9](https://www.desertcart.tn/products/43408325-simplex-4090-9101-monitor-relay-zam-class-b-18-9)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-30*