440R-S23173 ALLEN-BRADLEY Guardmaster Relay Safety Timing

Review ALLEN-BRADLEY Guardmaster Relay Safety Timing 0.15-3 Seconds 24vdc

The Allen-Bradley Model 440R-S23173 GuardMaster Relay is a versatile and reliable safety relay designed to meet the demands of various machine safety applications. It is a 24VDC operated, 0.15 second to 3 second safety timing device, ideally suited for applications requiring reliable safety functions.

This safety relay comes with a built-in status indicator, which provides visual confirmation of the relay status at a glance. The indicator is easily accessible, allowing for quick and efficient troubleshooting of the system. The device is designed with a wide operating temperature range (-30 C to 70 C), ensuring its suitability for use in various industrial environments.

The Allen-Bradley 440R-S23173 GuardMaster Relay features a robust and compact design, making it easy to install and integrate into existing safety systems. It is designed to meet the functional safety requirements of SIL 2 and PL e according to IEC 61508 and EN 62061 standards, respectively. The relay is also UL 508A listed, ensuring its compliance with the relevant safety and performance standards.

The safety relay is designed with a modular architecture, which makes it easy to configure and customize for specific applications. It offers a variety of input and output configurations, including normally open and normally closed contacts, as well as form C and form D outputs. The relay also supports multiple safety functions, such as safety interlock, emergency stop, and safety monitoring functions.

The Allen-Bradley 440R-S23173 GuardMaster Relay is designed with a diagnostics feature, which allows for easy and efficient fault detection and diagnosis. The device provides diagnostic information, such as fault codes, input and output states, and relay status, which can be used to quickly identify and resolve any issues.

The safety relay is designed with a high level of protection against electrical and mechanical hazards, such as overvoltage, overcurrent, and short circuits. It features a seal-in-air design, which protects the internal components from dust, moisture, and other contaminants. The device also offers a high degree of immunity to electromagnetic interference, ensuring reliable operation even in harsh industrial environments.

The Allen-Bradley 440R-S23173 GuardMaster Relay is a high-performance, versatile, and reliable safety relay designed to meet the demands of various machine safety applications. Its robust design, wide operating temperature range, and modular architecture make it an ideal choice for industrial applications requiring reliable safety functions. With its built-in status indicator, diagnostics feature, and compliance with various safety and performance standards, the 440R-S23173 GuardMaster Relay is a valuable addition to any safety system.

The Allen-Bradley 440R-S23173 GuardMaster Relay is a safety relay designed to meet the requirements of functional safety standards, such as SIL 3 (Safety Integrity Level 3) as per IEC 61508 and SIL 2 as per ANSI/ISA-84.01. This relay is used for implementing safety functions in industrial automation applications. Below are some pros and cons of buying this specific model.

1. Functional Safety Certified: The GuardMaster relay is certified to meet the safety standards mentioned above, ensuring a reliable and safe performance in critical applications.

2. Versatility: The 440R-S23173 can be used in various safety applications due to its wide input voltage range (10-30V DC) and a variety of available output configurations.

3. High Fault Detection Capability: The relay offers a high level of fault detection and diagnostics, which helps minimize downtime and improve system availability.

4. Easy to Install and Program: The GuardMaster relay comes with a user-friendly programming software (Rockwell Automation RSLogix 5000 or Studio 5000) that simplifies the configuration and setup process.

1. Cost: The GuardMaster relay is a higher-end safety relay, and its cost may be a significant investment for smaller applications or budget-conscious organizations.

2. Complexity: Due to its advanced features and safety functions, the GuardMaster relay might be more complicated to install and program compared to simpler relay models.

3. Power Consumption: The relay consumes a relatively higher amount of power (max 1.5 W) compared to some other safety relays, which could lead to increased energy costs over time.

In conclusion, the Allen-Bradley 440R-S23173 GuardMaster relay is a reliable and safe option for applications that require functional safety certification and high fault detection capabilities. Its versatility and ease of installation and programming make it an attractive choice for industrial automation applications. However, its cost and higher power consumption may be drawbacks for some users. Ultimately, the decision to purchase this relay model depends on the specific application requirements and budget considerations.

Recommendation: If your application requires functional safety certification, high fault detection capabilities, and a user-friendly programming experience, the Allen-Bradley 440R-S23173 GuardMaster relay is a solid choice. Consider the cost and power consumption carefully before making a final decision.

Details:

Two of the units come in oem packaging and 1 them is without. Relay, Guardmaster, safety, timing, 0.15 - 3 seconds range, automatic reset, 1 or 2 normally closed inputs, open, safety outputs, closed, auxiliary 24vdc, these replays are new surplus stock that have been in storage so they may some dust on them.

specifications genpurrelays:

• brand: Allen-bradley
• mpn: 440r-s23173
• model: Guardmaster
• mounting style: Din Rail
• maximum amperage: 6a
• current rating: 1-15 A
• suitable for: Interior
• current type: Ac/dc
• type: Safety Relay
• coil voltage: 21-30 V
• features: Timer
• country/region of manufacture: Germany
• application: Branch Circuit, Commercial, Control Equipment Panels, Conveyance Lines
• upc: 611320826968

payments genpurrelays:

• other
• wallet: apple-pay
• credit card: discover

returns genpurrelays:

• time: 14 days
• paid by: buyer
• policy: returns accepted
• method: money back

seller genpurrelays:

• rating: 100.0%
• # reviews: 85
• city: massillon, ohio

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

offer genpurrelays:

• prices: $163.50–$299.00
• item condition:
  • New – Open box
  • Used
  • New
  • Nuovo
• availability: in stock
• options: ship-to-home
• in stock #: 5
• started: september 9, 2025
• sold #: 19

shipping genpurrelays:

• class: standard
• type: calculated
• carrier: usps, ups
• transit: 3-8 days
• service: usps ground advantage, ups ground