SPW481-13 S1 Yokogawa Power Supply Module

Yokogawa SPW481-13 S1 ProSafeRS Power Supply Module

Yokogawa SPW481-13 S1 ProSafeRS Power Supply Module

Availability: 20 left in stock

Yokogawa SPW481-13 S1 ProSafeRS Power Supply Module The Yokogawa SPW481-13 S1, also cataloged as the SPW481 Power Supply Module, operates...

SKU: SPW481-13-S1

Manufacturer: Yokogawa
Product No.: SPW481-13-S1
Product Type: Power Supply Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 900g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa SPW481-13 S1 ProSafeRS Power Supply Module

The Yokogawa SPW481-13 S1, also cataloged as the SPW481 Power Supply Module, operates as a dedicated hardware component for stable AC-to-DC voltage conversion and power distribution within ProSafeRS and CENTUM VP Safety Control Station platforms.

Hardware Specifications

Parameter	Specification
Model	SPW481-13 S1
Brand	Yokogawa
Origin	Japan
Weight	0.9 kg
Dimensions	5.1 cm x 20.3 cm x 14.6 cm
Operating Temp	-20 deg C to +70 deg C
Power Consumption	100-120 VAC nominal input (85-132 VAC operational)
Output Voltage	+5 VDC and +24 VDC
Max Output Current	2.5 A
Input Frequency	47-63 Hz
Cooling Method	Natural convection (fanless)
Environmental Coating	ISA Standard G3 conformal coating

Galvanic Isolation and Fail-Safe Power Infrastructure

The module provides galvanic isolation between the AC power feed line and downstream internal system buses to protect sensitive processor cards against high-voltage line transients. Integrated overvoltage protection circuits and fault-detection alarm contacts enforce a fail-safe state execution during line-side power disturbances. When deployed in dual-redundant configurations, two SPW481 modules share load demands seamlessly, ensuring uninterrupted system power execution even if one power unit experiences an input power loss.

Frequently Asked Questions

Q: How does the S1 hardware revision differ from standard power modules in harsh process environments?

A: The S1 revision features ISA Standard G3 conformal coating to protect internal electronic circuits against airborne corrosive gases like hydrogen sulfide, while utilizing upgraded capacitors and electromagnetic shielding for enhanced thermal stability.

Q: Can two SPW481-13 S1 modules be installed in a single rack for system redundancy?

A: Yes, two SPW481-13 S1 modules can be configured in parallel within the safety control station rack to provide dual-redundant power backup for mission-critical operations.

Field Installation Guidelines

Mount the power module securely onto the designated safety control station rack slot until the retention mechanisms lock into place. Verify that input line wiring complies with local electrical standards and maintain proper single-point grounding to the cabinet earth bar. Ensure clean clearance around the top and bottom ventilation openings of the module to support natural convection cooling without obstruction. Route AC power input cables away from low-voltage signal wires to prevent inductive noise coupling. Always verify that line voltage remains within the specified 85 to 132 VAC range before turning on power to the module.

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.