


Product Description
Product Overview
The Honeywell FC-PSUNI-2424 Power Supply Unit is a high-performance, safety-certified power solution designed for industrial applications within Honeywell’s automation systems, such as Safety Manager or Experion platforms. Delivering a robust 600 W output at 25 V DC, this unit supports a wide input range (85-265 V AC), features dual overvoltage protection (OVP) certified to SIL3, and includes advanced load-sharing and derating capabilities. With certifications like CE and cUL (pending CID2 T4 and Zone 2), it is engineered for reliable operation in harsh environments, ensuring stable power for critical control equipment.
Technical Information
Parameter | Specifications |
---|---|
Manufacturer | Honeywell |
Model/Part Number | FC-PSUNI-2424 |
Description | Power Supply Unit |
General Type Number | FC-PSUNI-2424 |
General | |
Approvals | CE, cUL (60950); CID2 T4 and Zone 2 (+61010-1) certifications pending; DC output SELV certified; OVP SIL3 certified (IEC 61508, keeps DC output < 31 V) |
EMC Standards | EN61131-2, EN50130-4, EN61000-6-7 |
Power | |
Output Power | 600 W |
Input Power | Typical: 115 V AC: 712 W; 230 V AC: 691 W Maximum: 85 V AC: 750 W; 220 V AC: 720 W |
Power Efficiency | 100 V AC: 80% @ 6 A, 84.5% @ 12-24 A 230 V AC: 82% @ 6 A, 87% @ 12-24 A |
Power Factor | 100 V AC: > 0.99 @ 6-24 A 230 V AC: > 0.88 @ 6 A, 0.98 @ 24 A |
Input Frequency Range | 45-66 Hz |
Physical | |
Dimensions (WxHxD) | 370 x 159 x 67.3 mm (14.57 x 6.26 x 2.65 in) |
Weight | 2.9 kg (6.39 lb) |
Environment | |
Storage Temperature | -40°C to 85°C (-40°F to 185°F); keep below 40°C (104°F) for long-term storage |
Operating Temperature | -40°C to 70°C (-40°F to 158°F) |
Maximum Temperature Change | 3°C/minute |
Humidity | 5% to 95% RH (non-condensing); derating RH above 40°C |
Pollution Degree | PD2 maximum (IEC60664-1) |
Altitude | 0-2000 m above sea level |
Input | |
Input Voltage | 100-120 / 220-240 V AC nominal (operational between 85-265 V AC) |
Inrush and Re-rush Current | < 60 A; supports 10 A type C circuit breaker |
EMI Filter | 2 µF between input lines |
Input Current | 115 V AC: 6.2 A 230 V AC: 3.1 A (at rated DC output load) |
Internal Fusing | 10 A fuse for each AC leg line |
External Protection | Fuse: 10 A Class CC or MCB: 10-13 A Type C (EN60898-1) |
Installations | Industrial installations only; OVC II up to 2000 m |
Output | |
Output Voltage | 25.7 V (no load), 25.1 V (24 A static load), 24.5-26.5 V (24 A dynamic load) |
Ripple | 20-40 mV typical (HART compliant) |
Noise | < 100 mV LL, < 700 mV LE |
Output Current | 0-24 A continuously; 50 A for 200 ms typical for clearing fuses |
Load Sharing | < 10% difference at full load |
Electronic Current Limiter | 34 A typical (27 A-42 A) after 200 ms |
Derating Output Current | Single operation: 24 A with -0.6 A/°C above 60°C up to 2000 m altitude Parallel operation: 24 A with -0.6 A/°C above 50°C up to 2000 m altitude |
Hold-up Time | 50 ms; meets EN61000-4-11 level 3 |
Alarm Output | |
Type | Solid-state output (Opto-FET), isolated up to 500 V AC |
Activation Condition | Activated when power supply status is okay (fan speed okay and output voltage > 23.5 V) |
Nominal Voltage | 31 V maximum (33 V TVS protected inside) |
Nominal Current | 40 mA maximum (non-inductive) |
Voltage Drop | < 0.2 V at 7 mA |
Short Circuit Protection | Yes (trips within 1 second at 0.5 A – self-restoring) |
Fan Speed | 0% below -10°C 50% above -10°C 100% above 80-85°C heatsink temperature |
Isolation | |
Input to Output | 3750 V AC / 1 min (8 mm creepage) |
Input to Case | 2210 V AC / 1 min; transient limited by 3000 V spark gap and 300 V AC varistor in series; 100% tested at 2300 V DC |
Output to Case | 1500 V DC / 1 min; transient limited by 320 V AC varistor; < 50 MΩ at 250 V DC |