LIEBERT/EMERSON 02-790867-00 Pwa Dcr Relay Circuit Board P/l
( Brand: Liebert/emerson ), ( Manufacturer Part Number: 02-790867-00 ), ( Part Type: Circuit Board )
Review LIEBERT/EMERSON Pwa Dcr Relay Circuit Board Rev P/l
The **Liebert/Emerson 02-790867-00 PWA DCR Relay Circuit Board (Part Number: 02-790867-00)** is a precision-engineered component designed to serve as the critical control interface within Emerson s advanced PowerWare and Liebert uninterruptible power supply (UPS) systems. This printed wiring assembly (PWA) houses a dual-channel relay circuit board, specifically engineered to manage direct current relay (DCR) operations with exceptional reliability and efficiency. The board integrates high-quality, surface-mount components and carefully routed conductive pathways to ensure seamless communication between the UPS s main control module and its associated load management or transfer switch functions. Its compact yet robust design allows for efficient heat dissipation, minimizing the risk of thermal degradation in demanding operational environments. The circuit board is built to withstand the rigorous demands of commercial and industrial power protection systems, offering precise relay actuation for tasks such as battery charging control, load shedding, and seamless transfer between utility and generator power sources. With its modular construction, the 02-790867-00 ensures compatibility with Emerson s broader ecosystem of power infrastructure solutions, providing operators with a dependable component that enhances the overall performance, safety, and longevity of their UPS systems. Whether deployed in data centers, critical healthcare facilities, or mission-critical industrial applications, this relay circuit board exemplifies Emerson s commitment to delivering high-performance, low-maintenance power management solutions.
### **Pros and Cons of buying a Liebert/Emerson 02-790867-00 PWA DCR Relay Circuit Board (P/L)**
#### **Pros:**1. **Direct Compatibility** This is an original Emerson/Liebert part, meaning it is designed to function seamlessly with the original equipment, reducing the risk of compatibility issues that generic or aftermarket replacements might introduce.
2. **Reliability and Quality** Emerson is a well-established manufacturer in the power and data center infrastructure sector. Their components are built to withstand demanding operational conditions, ensuring long-term performance.
3. **Warranty and Support** Purchasing from an authorized distributor or directly from Emerson may include warranty coverage, technical support, and access to genuine replacement parts if needed.
4. **Ease of Installation** Since it is an OEM (Original Equipment Manufacturer) part, it should fit and integrate without requiring modifications, reducing installation time and potential errors.
5. **Consistency with Original Specifications** The part adheres to the original design parameters, ensuring that the relay circuit board operates as intended in the original system, maintaining performance and safety standards.
6. **Availability of Documentation** Emerson provides technical documentation, schematics, and troubleshooting guides, which can be invaluable for installation, maintenance, and diagnostics.
7. **Long-Term Availability** Unlike some aftermarket or third-party parts that may become obsolete, Emerson parts are likely to remain available for the lifespan of the equipment, reducing future procurement risks.
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#### **Cons:**1. **Higher Cost** OEM parts are typically more expensive than generic or refurbished alternatives. The price may be a significant barrier for budget-conscious buyers or smaller businesses.
2. **Potential Lead Times** Depending on inventory levels and demand, obtaining an OEM part may require waiting for shipment, which could cause downtime if the part is urgently needed.
3. **Limited Customization** Since it is a standardized part, there is no flexibility to modify specifications or features to suit unique requirements.
4. **Overkill for Minor Issues** If the failure is isolated to a single component (e.g., a relay rather than the entire circuit board), replacing the entire board may be unnecessary, leading to wasted expenditure.
5. **Dependence on Emerson s Supply Chain** If Emerson discontinues the part or experiences supply chain disruptions, obtaining it may become difficult, even if it is an OEM component.
6. **No Guarantee of New Condition** While Emerson parts are typically new, there is no guarantee that the specific unit you receive is free from minor defects or wear, though this risk is minimal with reputable suppliers.
7. **Potential for Overstock or Refurbished Units** Some distributors may sell "new surplus" or refurbished units labeled as OEM, which could have unknown histories or reduced lifespans.
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### **Conclusion:**The **Liebert/Emerson 02-790867-00 PWA DCR Relay Circuit Board** is a high-quality, reliable replacement part that ensures compatibility and performance with your original equipment. Its advantages in terms of reliability, warranty, and technical support make it an attractive option for critical applications such as data centers, industrial facilities, or mission-critical environments where uptime is non-negotiable.
However, the **higher cost and potential lead times** may be prohibitive for smaller budgets or non-critical applications where a less expensive alternative could suffice. If the failure is isolated to a specific component (e.g., a single relay), evaluating whether a partial replacement or repair is feasible could save costs.
For most users who prioritize **long-term reliability, warranty coverage, and seamless integration**, purchasing the OEM part is the **recommended choice**. If budget constraints are a concern, it may be worth exploring **authorized refurbished parts** or **third-party suppliers with strong warranties**, though these should be vetted carefully to ensure quality.
Ultimately, the decision should balance **cost, urgency, and the criticality of the system** in which the part will be used. For critical infrastructure, the OEM part is the safest and most prudent investment.
Details:
May show some signs of wear due to age and storage.
part #: 0279086700 prices
- $25.00-$125.00
specifications pcbemdev:
- brand: Liebert/emerson
- mpn: 02-790867-00
- part type: Circuit Board
seller pcbemdev:
- # reviews: 21595
- city: Burlington, North Carolina
- rating: 99.9%
returns pcbemdev:
- policy: Returns Accepted
- time: 30 Days
- paid by: Seller
- method: Money back
payments pcbemdev:
- credit card: Visa
- wallet: Apple-pay
- other
offer pcbemdev:
- best offers: True
- started: March 30, 2026
- quantity: 1
- sold: 0
- options: Ship-to-home
- availability: In Stock
general pcbemdev:
- condition: Used
- Electronic Components Semiconductors > Circuit Boards Prototyping > Printed Circuit Boards PCBs
shipping pcbemdev:
- cost: $0.00
- service: USPS Ground Advantage, USPS Priority Mail, UPS Ground, UPS Next Day Air
- transit: 4-8 Days
- type: Calculated
- carrier: USPS, UPS
- class: Standard, Expedited, One-day
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