NT225AA-04 YOKOGAWA Power Supply Module

NT225AA-04 YOKOGAWA CENTUM VP CS 3000 Power Supply Modules

NT225AA-04 YOKOGAWA CENTUM VP CS 3000 Power Supply Modules

Availability: 10 left in stock

YOKOGAWA NT225AA-04 Power Supply Module The YOKOGAWA NT225AA-04, also cataloged as the NT225AA Power Supply Module, operates as a dedicated...

SKU: NT225AA-04

Manufacturer: Yokogawa
Product No.: NT225AA-04
Product Type: Power Supply Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1200g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA NT225AA-04 Power Supply Module

The YOKOGAWA NT225AA-04, also cataloged as the NT225AA Power Supply Module, operates as a dedicated hardware component for supplying regulated DC voltage and executing fault diagnostics within CENTUM VP, CS 3000, and ProSafe-RS control system networks.

Hardware Specifications

Parameter	Specification
Model	NT225AA-04
Brand	Yokogawa
Origin	USA
Weight	1.2 kg
Dimensions	130 x 45 x 245 mm
Operating Temp	0 to 55 deg C
Power Consumption	~120 VA
Input Voltage	100-120 VAC / 200-240 VAC (auto-switching)
Output Voltage	24 VDC +/-5%
Output Current	5 A
Efficiency	>=85%
Humidity	10-90% RH (non-condensing)

Channel Isolation and Loop Power Integrity

Yokogawa DCS infrastructure requires robust channel-to-channel isolation and tight voltage stability to maintain signal integrity across analog I/O cards. The unit delivers a regulated 24 VDC output that shields sensitive controller electronics from line variations. When deployed in dual-redundant power configurations, internal diode-ORing mechanisms prevent back-feeding, while localized cold junction compensation (CJC) circuits on associated analog field buses remain unaffected by power-line ripple or sudden load shifts.

Frequently Asked Questions

Q: Does the module support hot-swapping during active system operation?

A: Yes. When configured in a dual-redundant rack alignment alongside a secondary unit, field technicians can safely extract and replace a faulted module without powering down the system rack or interrupting process loops.

Q: What protective measures prevent damage to connected system I/O modules during downstream fault conditions?

A: The module integrates active overvoltage, overcurrent, and short-circuit protection circuits. Upon detecting an output short or overcurrent state, the internal logic limits total output power to mitigate thermal damage and safeguard connected backplane buses.

Field Installation Guidelines

Mount the unit directly into the designated slot of the system chassis, ensuring the rear connector pins engage completely with the backplane bus. Field technicians must verify proper ground bonding by attaching a low-impedance copper drain wire from the enclosure ground point directly to the cabinet star-ground bar.

Maintain a minimum clearance of 50 mm above and below the module rack to facilitate natural convective cooling and prevent localized thermal buildup. Run AC power feeder cables in separate conduit pathways away from sensitive low-level analog I/O wiring to minimize electromagnetic interference across field loops.

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.