Industrial Power Supply Solution – EAA 21G2773B1STB44 | Power Supply Series
Where This Product Is Used
The EAA 21G2773B1STB44 is a dedicated industrial-grade power supply module engineered for demanding automation environments. It is widely deployed in:
- PLC Control Panels – Provides stable DC power to programmable logic controllers in manufacturing lines, packaging machinery, and process automation.
- DCS Distributed Control Systems – Serves as a reliable power backbone in oil & gas, chemical, and water treatment plant control architectures.
- Machine Tool & CNC Systems – Powers servo drives, I/O modules, and HMI units in precision machining centers.
- Building Automation & HVAC Control – Supplies regulated power to field controllers and sensor networks in smart building infrastructure.
- Conveyor & Material Handling Systems – Ensures uninterrupted power delivery in high-cycle logistics and warehouse automation.
- Renewable Energy & Utility Control – Integrated into solar inverter control boards and substation automation panels.
Technical Specifications
| Part Number | 21G2773B1STB44 |
| Manufacturer | EAA |
| Product Type | Industrial Power Supply Module |
| Weight | 2,130 g (approx.) |
| Mounting | DIN Rail / Panel Mount (verify with datasheet) |
| Application | PLC, DCS, Industrial Control Systems |
| Condition | New / Surplus New |
For full electrical specifications (input voltage range, output voltage/current, protection class), please contact our technical team or request the official datasheet.
Why Engineers Specify This Model
- OEM-Grade Reliability – Designed to EAA’s industrial quality standards, ensuring long MTBF in 24/7 continuous operation environments.
- Drop-In Replacement – Maintains original form factor and connector pinout, enabling direct substitution without panel redesign.
- Stable Output Under Load Variation – Tight voltage regulation protects sensitive PLC CPUs and I/O cards from power fluctuations.
- Thermal & Overcurrent Protection – Built-in protection circuits prevent damage from short circuits, overloads, and thermal events.
- Reduced Downtime Risk – Stocking this module as a critical spare eliminates costly production halts caused by power supply failure.
Complete System Bill of Materials
When specifying the EAA 21G2773B1STB44, engineers typically pair it with:
- PLC CPU Module (compatible EAA or third-party controller)
- Digital/Analog I/O Expansion Modules
- DIN Rail Mounting Hardware & Terminal Blocks
- 24 VDC Field Power Distribution Blocks
- UPS Battery Backup Module (for critical process continuity)
- Panel-Mount Circuit Breakers & Fuse Holders
Contact support@konmask.com for a complete BOM quotation for your control panel project.
Compliance & Industry Standards
- Designed for use in IEC 61131-compliant PLC architectures
- Compatible with CE-marked control panel assemblies
- Suitable for UL 508A industrial control panel applications
- RoHS-compliant materials (verify with manufacturer certificate)
- Meets IEC 61010-1 safety requirements for industrial electrical equipment
Quality Assurance & Sourcing
Every EAA 21G2773B1STB44 unit shipped from Konmask.com undergoes:
- Visual Inspection – Label authenticity, housing integrity, and connector condition verified before dispatch.
- Traceability Check – Batch and serial number documented for full supply chain transparency.
- Anti-Counterfeit Screening – Sourced exclusively from authorized distributors and verified surplus channels.
- Secure Packaging – ESD-safe packaging with moisture barrier for safe international transit.
How to Source This Part
- Click Add to Cart or Buy Now for immediate online checkout.
- For bulk orders (5+ units), email support@konmask.com for a volume discount quote.
- Need a formal quotation for procurement? Request a PDF quote with your company details via email.
- Lead time: In-stock units ship within 1–3 business days. Contact us for ETA on special orders.
- Payment: T/T Bank Transfer, PayPal, and major credit cards accepted.
Application-Specific FAQ
Q: Is the EAA 21G2773B1STB44 compatible with my existing EAA PLC rack?
A: This module is designed for EAA control system architectures. Please share your rack model number with our team to confirm compatibility before ordering.
Q: Can this power supply be used in a redundant power configuration?
A: Many EAA power supply modules support redundant (1+1) configurations. Contact us with your system layout for confirmation.
Q: What is the warranty on this product?
A: Konmask.com provides a 12-month warranty against manufacturing defects on all verified-new units. Surplus units carry a 90-day functional guarantee.
Q: Do you provide a Certificate of Conformance (CoC)?
A: Yes. A CoC can be provided upon request for all orders. Please specify this requirement at the time of purchase.
Q: Can I return the product if it doesn’t fit my application?
A: We accept returns within 30 days for unused, unopened items. Please review our Returns Policy or contact support for assistance.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691


