Allen Bradley 440R-M23143 Guardmaster Monitoring Safety Relays

Release time	Jul 27, 2026
Brand	Allen Bradley PLC
Product Numbe	440R-M23143
Country Of Origin	USA
Dimensions	114.5 x 45 x 99 mm
Weight	0.35 kg
Condition	New & In Stock
Payment Methods	T/T, PayPal, Western Union
Lead Time	1-3 Working Days
Warranty	One Year
Courier partners	DHL, UPS, TNT, FedEx and EMS.

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Overview

The Allen Bradley 440R-M23143 Guardmaster Monitoring Safety Relay is a compact safety control device designed for reliable monitoring and protection in industrial automation systems. It provides efficient safety circuit management, fault detection, and machine protection functions, making it suitable for emergency stop systems, safety switches, and protective guarding applications.

General Information

Part Number: 440R-M23143

Manufacturer: Allen Bradley

Brand: Allen Bradley

Country of Origin: United States

Series: Guardmaster

Product Type: Monitoring Safety Relay

Mounting: DIN Rail Mount

Application: Emergency Stop Monitoring, Safety Device Monitoring, and Machine Protection Systems

Safety Function: Monitors safety inputs and controls safety outputs for industrial safety applications

Power Specifications

Supply Voltage: 24 V DC

Power Consumption: Low Power Safety Control Design

Input Type: Safety-Rated Digital Inputs

Output Type: Safety Relay Outputs

Protection: Short Circuit, Overvoltage, and Diagnostic Protection

Status Indicators: Power, Input, Output, and Fault LEDs

Communication & Interface

Communication Interface: Safety Control Interface

Safety Inputs: Multiple Safety Input Channels

Safety Outputs: Dual Safety Output Channels

Connection Type: Removable Terminal Connections

Configuration: Adjustable Safety Function Settings

Diagnostics: LED Status Monitoring and Fault Detection

Environmental

Operating Temperature: -20°C to +55°C

Storage Temperature: -40°C to +85°C

Humidity: 5% to 95% RH, Non-Condensing

Protection Rating: IP20

Installation Environment: Industrial Control Cabinet

Dimensions & Weight

Dimensions (W × H × D): 114.5 × 45 × 99 mm

Weight: 0.35 kg

Ready Stock Available – Fast Delivery and Reliable Safety Solutions.

QDo you provide technical support or installation services?

A Yes, we offertechnical supportfor installation, configuration, and troubleshooting.

QCan I return products if they don’t meet my requirements?

A Returns are accepted within30 daysif the product is unused, unopened, and in its original packaging. Return shipping costs are the buyer's responsibility.

QHow can I ensure compatibility with my existing systems?

A If unsure, please provide yoursystem details, and our support team will verify compatibility before purchase.

QAre there discounts for new wholesale customers?

A We occasionally offerpromotional discountsfor new wholesale customers. Contact us for current offers.

QCan I purchase different quantities of a product?

A Yes, we offerflexible ordering options, whether you need a single unit or a large batch.

QWhat payment methods do you accept for wholesale orders?

A We accept various methods, includingbank transfers (T/T), letters of credit (L/C), and more upon agreement.

QCan I get discounts for bulk purchases?

A Yes, we offercompetitive pricingfor bulk purchases. Contact our sales team for a custom quote.

QWhat is the minimum order quantity (MOQ)?

A The MOQ is usuallyone unit. For bulk orders, please contact us for discounts and pricing details.

QHow long does shipping take?

A Shipping times vary by location. With our16 global warehouses, we strive for fast delivery. Contact us for an estimated delivery time.

QHow can I verify the product before purchasing?

A We can provide high-resolution product images upon request, and our team can arrange warehouse photos for verification.

QDoes this product come with a warranty?

A Yes, we provide a1-year warrantyand support returns and exchanges to protect your rights.

Company Information
E-mail		[email protected]
Mobile		+8613620394314
Whatsapp		+8613620394314
WeChat		+8613620394314
Add		Room 1102, Jiuzhou Commercial Building, Siming District, Xiamen, China

Warranty Conditions

At Qunlebu Co., Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.

🛡️Coverage Details:

This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.

📝Claim Process:

To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.

🚚Shipping Assistance:

We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.

🚫Exclusions:

Unauthorized modifications, repairs, or misuse of the product.

Normal wear and tear.

Negligence.

Extreme environmental conditions beyond product specifications.

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