PW482-51 Yokogawa Power Supply Module

PW482-51 Yokogawa CENTUM VP Power Supply Module

PW482-51 Yokogawa CENTUM VP Power Supply Module

Availability: 20 left in stock

Yokogawa PW482-51 CENTUM VP Power Supply Module The Yokogawa PW482-51, also cataloged as the PW482 Power Supply Module, operates as...

SKU: PW482-51

Manufacturer: Yokogawa
Product No.: PW482-51
Product Type: Distributed Control System Power Supplies
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa PW482-51 CENTUM VP Power Supply Module

The Yokogawa PW482-51, also cataloged as the PW482 Power Supply Module, operates as a dedicated hardware component for regulated DC power distribution within CENTUM VP Distributed Control System platforms.

Suffix Breakdown & Model Matrix

Suffix Code	Option Code	Description / Specification Detail
-5	--	Standard type with no explosion protection (220-240 VAC Input)
1	--	ISA Standard G3 environmental coating option

Hardware Specifications

Parameter	Specification
Model	PW482-51
Brand	Yokogawa
Origin	Japan
Weight	0.4 kg (net unit), 0.9 kg (module package), 2.0 kg (shipping weight)
Dimensions	120 mm x 25 mm x 130 mm (5.1 cm x 20.3 cm x 15.2 cm envelope)
Operating Temp	-20 deg C to +70 deg C (extended temperature rating option)
Power Consumption	100 W power output capacity
Input Voltage	220 to 240 VAC (50/60 Hz nominal, 100-240 VAC range)
Output Voltage	Regulated 5 VDC system logic supply / field instrument supply
Output Current	Up to 20 A
Terminal Type	M4 screw terminals for power connection
Redundancy	Dual-redundant configuration supported (two modules per rack)
Operating Humidity	10 to 95% RH (non-condensing)
Environmental Compliance	ISA-71.04 Class G3, CE, UL Compliant

Channel Isolation & HART Subsystem Power Protection

The internal topology provides reinforced galvanic isolation between high-voltage AC mains input and low-voltage DC backplane outputs. This galvanic barrier isolates sensitive processing electronics from line-side transients and industrial ground potential shifts. By delivering stable regulated DC voltage to connected Field Control Units and transmitters, the unit prevents voltage drops from corrupting signal transmission on 4-20 mA HART loop protocol networks and maintains signal integrity across channel-to-channel isolated analog I/O modules.

Frequently Asked Questions

Q: Can the PW482-51 module be replaced without interrupting field control operations?

A: Yes. Hot-swap replacement is fully supported when installed in a dual-redundant power configuration. When one PW482-51 module is removed from the rack, the secondary power module instantly sustains the entire current load without causing system reset or logic failure.

Q: How does the ISA Standard G3 compliance option protect the module circuits?

A: The option code 1 integration applies conformal coating over internal circuit boards. This protective coating isolates surface-mount components from atmospheric humidity and corrosive gaseous contaminants such as hydrogen sulfide and sulfur dioxide.

Field Installation Guidelines

Terminal Screw Torque Protocol: Wire the main power input lines to the M4 screw terminals on the front assembly. Tighten terminal screws to a torque range of 1.2 to 1.4 N m to maintain solid electrical contact and prevent thermal hot spots under continuous 20 A load.
Equipotential Rack Grounding: Connect the field control chassis to functional earth (FE) using a dedicated low-impedance copper wire with a minimum cross-sectional area of 5.5 mm2. Ensure the grounding loop impedance measures under 1 ohm.
Power Line Routing: Route incoming AC power feed cables in separate cable ducts away from high-speed ESB/ER bus lines, Vnet/IP network communication cables, and low-voltage field signal lines. Maintain a minimum clearance distance of 200 mm to suppress electromagnetic coupling.
Slot Covers and Cooling: Install blanking panels over unused module slots on the FCU rack. This directs natural convection airflow across the cooling fins of the PW482-51, preventing thermal buildup within the enclosure.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.