Honeywell FC-PSU-UNI2450U System Power Supply Unit
Configured for high-capacity power conversion in Honeywell Safety Manager and FSC platforms, the Honeywell FC-PSU-UNI2450U (V2.1) System Power Supply Unit provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FC-PSU-UNI2450U (V2.1) |
| Brand | Honeywell |
| Origin | Manufacturer Standard Facility |
| Weight | 5.7 kg (12.5 lb) including cable set |
| Dimensions | 420.5 × 140 × 90 mm (16.57 × 5.51 × 3.54 in) |
| Operating Temp | -5 deg C to +70 deg C |
| Power Consumption | 13 W (no-load power consumption) |
| Input Voltage | 110 to 240 VAC nominal (operating limits 93 to 253 VAC, 47 to 63 Hz) |
| Configurable Output Voltage | 25 VDC or 28 VDC |
| Rated Output Current | 48 A at 25 VDC / 43 A at 28 VDC |
| Maximum Output Power | Approximately 1.2 kW |
| Holdup Time | Approximately 100 ms at full load |
| Approvals | TÜV, CE, cRUus |
Process Control Signal Integration and Isolation Architecture
The unit converts universal AC mains power into regulated DC power while providing robust channel isolation across distribution rails. Galvanic isolation barriers—featuring 3750 Vrms between input and output, 2500 Vrms between input and case, and 500 VDC between output and case—safeguard downstream safety controllers against high-voltage transients. Furthermore, dual independent regulation circuits, under-voltage alarm contacts, and output diodes enabling parallel operation ensure uninterrupted power delivery across mission-critical control loops.
Frequently Asked Questions
Q: Does the power supply unit support live on-line replacement?
A: Yes, the unit includes an integrated ON/OFF switch combined with isolated AC and DC power connectors, permitting safe on-line replacement in a live system environment.
Q: What are the protection mechanisms integrated into the DC output architecture?
A: The system provides dual built-in overvoltage protection complying with IEC 61508 functional safety standards, continuous overload and short-circuit protection, a 1200 W current limit feature, and an under-voltage alarm that trips if output drops below 22 VDC.
Q: What are the input power requirements and efficiency profiles under rated voltage?
A: The module operates on 110 to 240 VAC, achieving an efficiency exceeding 85% at 220 to 240 VAC and over 80% at 110 to 120 VAC, with a power factor close to 1.
Field Installation Guidelines
- Ensure upstream AC mains power is fully isolated before handling the IEC 60320 C20 inlet socket or wiring Phoenix terminal connectors to prevent electrical shock.
- Secure the 5.7 kg unit firmly within the cabinet enclosure, taking into account ambient thermal derating curves starting above 50 deg C.
- Terminate AC input cables using the locking retaining clip and connect DC output lines via Phoenix PCV6-16/2-G1F-10,163 connectors with secure locking screws.
- Verify that wire cross-sections comply with specifications (min. 0.75 mm2, max. 16 mm2 for DC outputs) and ensure proper cabinet ventilation to prevent dust accumulation on high-voltage circuitry.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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