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  3. AGASTAT TECONNECTIVITY R90A

AGASTAT TECONNECTIVITY R90A Connectivity Timing Relay Ssf Te Voltage 120V50/60HZ

R90a Agastat Teconnectivity Te Connectivity Timing Relay Model Ssf Voltage 120v50/60hz

( Brand: Agastat Teconnectivity ), ( Manufacturer Part Number: R90A ), ( Model: SSF R90A ), ( Part Type: Timing Voltage )

Review AGASTAT TECONNECTIVITY Te Connectivity Timing Relay Model Ssf Voltage 120v50/60hz

The **Agastat TEConnectivity R90A TE Connectivity Timing Relay** is a precision-engineered, solid-state timing relay designed to deliver reliable, high-performance control in industrial, commercial, and automation applications where accurate timing and voltage compatibility are critical. Built with TE Connectivity s reputation for durability and innovation, this relay operates seamlessly within a **120V AC (50/60Hz)** voltage range, making it an ideal solution for North American and global markets where standard single-phase power is prevalent. Its **solid-state construction** eliminates mechanical wear, ensuring extended operational life with minimal maintenance, while its compact yet robust design allows for easy integration into control panels, PLC systems, or standalone automation setups.

The R90A excels in applications requiring precise timing control, such as motor sequencing, process automation, lighting systems, or safety interlocks, where delayed activation or deactivation is essential. Its **adjustable timing function** ranging from milliseconds to minutes provides flexibility to meet diverse operational requirements, whether for short-duration pulses or prolonged hold times. The relay s **optically isolated inputs and outputs** enhance safety by preventing electrical noise interference and protecting connected circuits from voltage spikes or ground loops, a feature particularly valuable in harsh industrial environments. Additionally, its **low power consumption** and efficient heat dissipation contribute to energy savings and reduced thermal stress on surrounding components.

Engineered for versatility, the R90A supports both **normally open (NO) and normally closed (NC)** configurations, allowing for customizable control logic to suit specific application needs. Its **screw-terminal connections** ensure secure and easy wiring, while the relay s **wide operating temperature range** (typically -40 C to 85 C) guarantees consistent performance across varying environmental conditions. Whether deployed in manufacturing plants, HVAC systems, or renewable energy setups, the R90A delivers dependable timing control with minimal latency, making it a trusted component for engineers and technicians seeking a balance of precision, reliability, and ease of use. Its compatibility with standard voltage supplies and modular design further simplifies integration into existing infrastructure, ensuring seamless operation in both new and retrofitted systems.

### **Pros and Cons of buying a Agastat TeConnectivity R90A TE Connectivity Timing Relay (SSF, 120V, 50/60Hz)**

#### **Pros**

1. **High Reliability and Durability** The R90A is designed for industrial and commercial applications, offering robust construction that ensures long-term performance in demanding environments. Its solid-state design reduces wear compared to mechanical relays.

2. **Precise Timing Control** The relay provides accurate timing adjustments, making it suitable for applications requiring delayed start, delayed stop, or timed sequences. The adjustable timing range (typically 0.1 to 999.9 seconds) allows for flexible automation control.

3. **Wide Voltage Compatibility** Operates reliably at **120V AC (50/60Hz)**, making it versatile for North American and international installations where standard voltage is used.

4. **Low Power Consumption** As a solid-state device, it consumes minimal power, reducing energy waste compared to electromechanical relays.

5. **Compact and Space-Efficient** The design is compact, allowing for easy integration into control panels, HVAC systems, or other applications where space is limited.

6. **No Moving Parts** Unlike traditional relays, the R90A has no mechanical contacts, reducing the risk of failure due to wear, arcing, or contact bounce. This improves reliability in high-frequency switching applications.

7. **Easy Installation and Wiring** Designed for straightforward mounting and wiring, often with screw terminals for secure connections. Some models include mounting brackets for panel installation.

8. **Compatibility with TE Connectivity Ecosystem** If you already use other TE Connectivity components, this relay may integrate seamlessly with existing systems, reducing compatibility issues.

9. **Temperature and Environmental Resistance** Many solid-state relays, including this model, are rated for operation in a wide temperature range (e.g., -40 C to 85 C), making them suitable for indoor and outdoor applications.

10. **Low Noise Operation** Since it has no mechanical components, it operates silently, which is beneficial in noise-sensitive environments.

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#### **Cons**

1. **Limited Current and Voltage Ratings** While the R90A handles **120V AC**, its current rating may be relatively low (typically **10A or less**), which could be insufficient for high-power applications. Always verify the exact specifications against your load requirements.

2. **No Overload Protection** Unlike some motor starters or circuit breakers, the R90A does not inherently protect against overloads or short circuits. Additional protection devices (e.g., fuses or circuit breakers) may be required in the circuit.

3. **Potential for Heat Dissipation Issues** Solid-state relays can generate heat, especially when switching inductive loads. Proper ventilation or heat sinks may be needed in high-load scenarios to prevent overheating.

4. **Limited Adjustability Without External Controls** While timing is adjustable, some advanced applications may require external control signals or additional modules for more complex sequencing, which may not be built into this basic model.

5. **Potential for Snubber Circuit Requirements** When switching inductive loads (e.g., motors, solenoids), additional snubber circuits (RC networks) may be necessary to suppress voltage spikes and prolong relay life.

6. **Higher Upfront Cost Than Basic Relays** Compared to simple electromechanical relays, the R90A may be more expensive, though its long-term reliability can justify the cost in industrial applications.

7. **Dependence on Power Supply Stability** Solid-state relays require a stable power supply. Fluctuations or surges in voltage could affect performance or lifespan.

8. **Limited Availability of Spare Parts** If the relay fails, finding exact replacements may be challenging, especially if TE Connectivity discontinues the product.

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### **Conclusion**

The **Agastat TeConnectivity R90A Timing Relay** is a **high-quality, reliable solid-state relay** ideal for applications requiring **precise timing control, low power consumption, and durability** in environments where mechanical relays would wear out faster. Its **compact design, wide voltage compatibility, and lack of moving parts** make it a strong choice for **HVAC systems, automation, industrial controls, and commercial equipment**.

However, it is **not suitable for high-current applications** without additional protection, and its **lack of built-in overload protection** means extra safeguards (like fuses) are necessary. If your application involves **heavy loads, frequent switching, or extreme environmental conditions**, you may need to pair it with supplementary components (e.g., snubbers, heat sinks).

For **light to medium-duty timing control in stable electrical environments**, the R90A is an **excellent investment** due to its **longevity and precision**. For **high-power or high-reliability-critical systems**, a more robust relay (e.g., with integrated protection) may be preferable.

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### **Recommendation**

- **Buy the R90A if:**

- You need **adjustable timing control** (e.g., for delayed start/stop in HVAC, pumps, or industrial processes).

- Your application operates at **120V AC (50/60Hz)** with **moderate current demands** (check the exact amp rating for your load).

- You prioritize **low maintenance and long-term reliability** over cost.

- You are already using **TE Connectivity components** and want seamless integration.

- **Consider alternatives if:**

- Your load requires **higher current** (e.g., motors, heavy machinery) opt for a **higher-rated solid-state relay or a motor starter**.

- You need **built-in overload protection** pair it with a **circuit breaker or fuse**.

- Your environment has **extreme voltage fluctuations** ensure proper **surge protection** is in place.

- You require **more advanced features** (e.g., remote control, multiple timing zones) a **programmable logic controller (PLC) or a more complex relay module** may be better.

**Final Verdict:** The **R90A is a well-engineered relay for precise timing applications** where reliability and low maintenance are key. Ensure your specific use case aligns with its **voltage, current, and environmental ratings** before purchasing.

Details:

It operates on 120 VAC/VDC and is known for its robust performance in a variety of settings. Operating voltage : 120 VAC, 50/60 Hz also compatible with VDC in some configurations. Key Specifications According to documentation from TE Connectivity, the manufacturer, SSFR90A is designed for reliable and precise timing in industrial environments. Termination: Screw terminals for secure wiring.

Mounting: designed for versatile installation options, including DIN-rail, panel, or machine tool track mounting. 521-B TE Connectivity Part #1423167-2 is a programmable, multi-function time delay relay used for industrial control applications. Modes of Operation: Multiple programmable modes, including On-Delay, Off-Delay, Interval, and Latching Interval.

part #: r90a prices

  • $150.00-$161.00

specifications automationjack:

  • brand: Agastat Teconnectivity
  • mpn: R90a
  • model: Ssf R90a
  • part type: Timing Voltage

seller automationjack:

  • rating: 100.0%
  • city: Bloomfield Hills, Michigan
  • # reviews: 626

returns automationjack:

  • policy: Returns Accepted
  • method: Money back
  • time: 30 Days
  • paid by: Seller

shipping automationjack:

  • transit: 4-11 Days
  • class: Standard
  • service: UPS Ground
  • type: Fixed
  • cost: $0.00
  • carrier: UPS

offer automationjack:

  • quantity: 1
  • sold: 0
  • started: February 7, 2026
  • best offers: True
  • availability: In Stock
  • options: Ship-to-home

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general automationjack:

  • condition: Used
  • Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
part type: timing voltage,
category: business & industrial > industrial automation motion controls > automation equipment, sku: 13302932301075762,
Agastat Teconnectivity R90A Is Similar To:
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2 offers $150.00–$161.00 USD
  • Used. Offer #1 priced at $150.00 + $17.56 shipping estimate = $167.56* total. Timing Relay. Model SSF .+$17.56 shipping
  • Used. Offer #2 priced at $161.00 + $0.00 shipping estimate = $161.00* total. It operates on 120 VAC/VDC and is known for its robust performance in a variety of settings. AGASTAT SSF (TE Connectivity Part #1423167-2) is a.FREE SHIPPING

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