TELEMECANIQUE SR2E201BD Schneider Electric Smart Relay GHA-99

( Brand: Telemecanique ), ( Manufacturer Part Number: SR2E201BD ), ( Type: Industrial Surplus )

Review TELEMECANIQUE Schneider Electric Smart Relay Parts

The **Schneider Electric Telemecanique SR2E201BD** is a high-performance, intelligent smart relay designed to meet the demanding requirements of modern industrial automation, building management systems, and energy-efficient control applications. Part of Schneider Electric s **GHA-99** series, this compact yet robust relay combines advanced digital communication capabilities with precise control functionality, making it an ideal solution for integrating smart building technologies, HVAC systems, and industrial process automation. Engineered with Schneider Electric s signature reliability and precision, the SR2E201BD features a **24V DC coil** and **NO/NC contacts** (2 sets of normally open and normally closed contacts) that deliver consistent switching performance even under demanding environmental conditions, with an operating temperature range of **-25 C to 70 C**, ensuring dependable operation in harsh industrial or commercial environments.

What truly sets this relay apart is its **Modbus RTU communication interface**, which enables seamless integration with PLCs, SCADA systems, and building automation platforms. This capability allows for real-time monitoring, remote diagnostics, and automated control, significantly enhancing system efficiency and reducing manual intervention. The relay s **digital input/output flexibility** further extends its utility, enabling it to interface with sensors, actuators, and other control devices, making it a versatile component in both new installations and retrofitting projects. Its **compact, DIN-rail mountable design** ensures space efficiency in control panels, while its **low power consumption** contributes to energy savings in large-scale automation deployments.

Beyond its technical specifications, the SR2E201BD embodies Schneider Electric s commitment to **sustainability and smart technology**. By supporting energy-efficient control strategies such as demand response, load shedding, or predictive maintenance the relay helps optimize operational costs while reducing environmental impact. Its **high isolation voltage (up to 500V AC/DC)** and **surge protection** features ensure long-term reliability, even in environments prone to electrical noise or transient spikes. Whether deployed in a **smart grid application, industrial machinery control, or commercial building automation system**, the SR2E201BD delivers a perfect blend of **performance, connectivity, and scalability**, making it a cornerstone for next-generation smart infrastructure.

### **Pros and Cons of buying a Telemecanique SR2E201BD (Schneider Electric Smart Relay for GHA-99)**

1. **High Reliability and Durability** Telemecanique (now part of Schneider Electric) is a well-established brand known for industrial-grade components. The SR2E201BD is designed for harsh environments, offering long-term stability and low failure rates.

2. **Compatibility with GHA-99** This relay is specifically designed to work seamlessly with Schneider Electric s GHA-99 series of contactors and starters, ensuring proper integration without additional modifications.

- **Remote monitoring** (via Modbus or other communication protocols).

- **Diagnostic capabilities** (fault detection, status reporting).

- **Energy efficiency** (optimized switching for reduced wear).

This makes it suitable for automation systems requiring real-time feedback.

4. **Wide Voltage and Current Ratings** The SR2E201BD supports a broad range of AC/DC voltages (up to 690V AC) and currents (up to 20A), making it versatile for various industrial applications.

5. **Compact and Modular Design** Fits well in control panels, reducing space requirements while maintaining performance.

6. **Low Maintenance** Solid-state construction minimizes moving parts, reducing the need for frequent adjustments or replacements.

7. **Industrial-Grade Protection** Features IP20 (standard) or higher-rated variants for protection against dust and moisture, depending on the enclosure.

8. **Compatibility with Schneider s EcoStruxure Platform** If integrated into a larger Schneider automation system, it can leverage advanced software tools for predictive maintenance and energy management.

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1. **Higher Upfront Cost** Compared to basic mechanical relays or generic smart relays, the SR2E201BD is more expensive, which may be a barrier for small-scale or budget-conscious projects.

2. **Complexity for Basic Applications** If the use case is simple (e.g., basic on/off control without communication needs), the advanced features may be unnecessary, making a simpler relay a more cost-effective choice.

3. **Dependence on Schneider Ecosystem** While compatible with GHA-99, it may require Schneider-specific software or tools for full functionality, which could limit flexibility if migrating to other brands.

4. **Limited DIY Repairability** Being a smart relay, repairs or modifications may require specialized knowledge or Schneider support, increasing downtime or costs if issues arise.

5. **Potential Overkill for Low-Voltage Applications** For very low-voltage or low-current applications, a cheaper relay might suffice without sacrificing performance.

6. **Stock Availability and Lead Times** As an industrial component, availability can vary, and lead times may be longer than for mass-market electronics.

7. **Learning Curve for Advanced Features** Users unfamiliar with Modbus or Schneider s software interfaces may struggle to fully utilize the relay s capabilities.

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The **Telemecanique SR2E201BD** is an excellent choice for industrial applications requiring **reliability, smart functionality, and seamless integration with Schneider s GHA-99 series**. Its advanced features justify the higher cost for systems needing **remote monitoring, diagnostics, and long-term durability**. However, for **simple, low-cost, or non-Schneider applications**, a standard mechanical or basic smart relay may be more practical.

- You are working within a **Schneider Electric automation ecosystem** (e.g., EcoStruxure, Modbus networks).

- Your application demands **remote monitoring, energy efficiency, or diagnostic capabilities**.

- You operate in an **industrial environment** where reliability and longevity are critical.

- You need **high-voltage/current handling** (up to 690V AC, 20A).

- Your budget is tight and the application is **basic on/off control**.

- You are not using Schneider products and prefer **vendor-neutral solutions**.

- The project is **small-scale or prototype-based**, where a cheaper relay suffices.

For most **industrial automation projects involving GHA-99**, the SR2E201BD is a **strong, well-supported choice** that balances performance with advanced features. However, always verify compatibility with your specific system and weigh the cost against the added benefits.

Details:

Features: Compact programmable relay for automation tasks. Small machine automation. Power cords, attachments, tooling, etc. Thanks, .

Key Specifications: model: SR2E201BD. No visible damage to terminals or housing. Series: Zelig Logic. HVAC systems.

Shows normal signs of use such as light scuffs and handling wear. The Zelig series is widely used for its reliability, ease of programming, and flexibility in industrial environments. Ideal for small machines, panels, and process control. Inputs/Outputs: Integrated I/O see photos for exact configuration.

Reliable performance in industrial environments. Supply voltage : 24VDC. Once ed, this will show the number to call. Visit our page.

Process control and monitoring. SELLING AS IS - WHERE DESCRIBED: see all pictures. Easy integration into control systems. Condition Notes: Unit was removed from a working environment.

Type: Smart relay / programmable control module. Schneider Electric Telemecanique SR2E201BD Zelig Logic smart relay, designed for compact automation and control applications. Items are sold as pictured. Applications: Industrial control panels.

Replaces traditional relay panels. This unit is ideal for simple machine control, small automation systems, and replacement of traditional relay logic. Includes: SR2E201BD smart relay exact unit shown. If it is not shown in the pictures doesn't come with item .e.

part #: sr2e201bd prices

• $80.00-$105.00

specifications sensoindustria:

• brand: Telemecanique
• mpn: Sr2e201bd
• type: Industrial Surplus

shipping sensoindustria:

• carrier: USPS
• cost: $8.25
• class: Expedited
• transit: 4-9 Days
• type: Fixed
• service: USPS Priority Mail Small Flat Rate Box

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

payments sensoindustria:

• other
• wallet: Apple-pay
• credit card: Diners-club

offer sensoindustria:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 2
• started: April 30, 2026

seller sensoindustria:

• # reviews: 1410
• rating: 99.8%
• city: Preston, Idaho

returns sensoindustria:

• policy: No Returns

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