Description

The**FOXBORO P0960JA-CP40**is a high-reliability,**24VDC,40-ampere redundant power supply system**designed specifically for the**I/A Series Distributed Control System(DCS)**.It consists of the**P0960JA**switching power supply module installed in the**CP40**carrier/backplane assembly,enabling**N+1 redundancy**,**hot-swap maintenance**,and**load sharing**across multiple units within a single cabinet.

Engineered for mission-critical applications,the P0960JA-CP40 delivers clean,regulated 24VDC power to Fieldbus Modules(FBMs),controllers,I/O baseplates(e.g.,P0500JX),network switches,and other DCS components.It features built-in protections against overload,short-circuit,overvoltage,and overheating,along with LED status indicators and dry contact alarms for remote monitoring via the DCS.

The CP40 carrier provides mechanical support,electrical interconnection,and backplane communication between redundant supplies,ensuring seamless failover if one unit fails—without interrupting control operations.

Application Scenarios

At a Middle Eastern LNG export terminal,a single-point power failure in a non-redundant legacy supply caused a full compressor train shutdown,resulting in$4.2M in lost revenue.After upgrading all critical I/O racks to**P0960JA-CP40**redundant power systems,the facility achieved**99.999%power availability**over three years.During a subsequent supply failure,the system automatically transferred load to the backup unit with zero process impact—validated during a live SIL3 audit.

Parameter

Main Parameters Value/Description

Product Model P0960JA-CP40(P0960JA power module+CP40 carrier)

Manufacturer FOXBORO(now part of Schneider Electric)

Product Category Redundant 24VDC Power Supply System for I/A Series DCS

Output Voltage 24 VDC nominal(adjustable±10%,typically 22–28 VDC)

Max Output Current 40 A continuous per module

Total Cabinet Capacity Up to 120 A with 3x P0960JA in CP40(N+1 redundant:2+1)

Input Voltage 85–264 VAC,47–63 Hz(universal input)or 100–370 VDC

Efficiency>88%at full load

Redundancy Mode N+1 parallel redundancy with active current sharing

Hot-Swap Support Yes—replace failed unit without powering down the rack

Protections•Overcurrent(hiccup mode)

•Short-circuit(auto-recovery)

•Overvoltage(latching shutdown)

•Overtemperature(thermal foldback)

Alarms&Diagnostics•Green LED:Power OK

•Red LED:Fault(overload,fan fail,etc.)

•Dry contact relay output(NO/NC)for remote alarm

Mounting CP40 carrier mounts on standard 19″rack or cabinet backplane

Cooling Forced air(integrated fan with tachometer feedback)

Operating Temperature 0°C to+60°C(derating above 50°C)

Certifications UL 61010-1,CSA,CE,IEC 61508(for use in SIL2 systems)

Technical Principles and Innovative Values

-**Innovation Point 1:True N+1 Redundancy with Active Load Sharing**–Multiple**P0960JA**units share load equally;if one fails,others instantly compensate—no voltage sag or reboot.-**Innovation Point 2:Integrated Health Monitoring**–Dry contact alarm and LED status allow predictive maintenance and integration into DCS alarm summary.-**Innovation Point 3:Universal Input&High Efficiency**–Operates globally on any mains voltage while minimizing heat generation and energy cost.-**Innovation Point 4:DCS-Optimized Design**–Engineered specifically for I/A Series noise immunity,ripple tolerance,and grounding requirements—critical for analog/HART signals.

Application Cases and Industry Value

In a U.S.pharmaceutical plant producing mRNA vaccines,temperature-controlled storage required uninterrupted 24VDC for RTD loops and valve positioners.A**P0960JA-CP40**system ensured zero power interruptions during grid fluctuations,preserving product integrity and meeting FDA 21 CFR Part 11 data continuity requirements.

At a Brazilian iron ore processing facility,dust and humidity caused frequent power supply failures.The sealed design and conformal coating of the P0960JA extended MTBF to over 150,000 hours—reducing spares inventory and unplanned downtime by 75%.

Related Product Combination Solutions

-**CP40 Carrier**:Required chassis for installing 1–3**P0960JA**modules-**P0500JX/P0900JX**:I/O baseplates powered by**P0960JA-CP40**-**FBM02,FBM07,FBM09,FBM207,FBM208**:All I/O modules dependent on stable 24VDC-**Redundant Controller Racks**:Also powered by same**P0960JA-CP40**system-**Power Distribution Blocks**:e.g.,**P0960HA**–for branching 24VDC to multiple sub-racks-**DC UPS Systems**:Can be integrated upstream for ride-through during blackouts-**Schneider EcoStruxure Power Monitoring**:For advanced diagnostics in modernized sites

Installation,Maintenance,and Full-Cycle Support

**Installation Steps**:1.Mount**CP40 carrier**in DCS cabinet(19″rack compatible)2.Insert one or more**P0960JA**modules into CP40 slots until latched 3.Connect AC/DC input wiring to terminal block(per local code)4.Wire 24VDC output to I/O power bus(typically via**P0960HA**distribution block)5.Link alarm dry contacts to DCS digital input for fault monitoring

Maintenance Best Practices:

Clean intake filters quarterly in dusty environments

Verify current balance between redundant units annually

Test alarm relay functionality during scheduled outages

Replace fan every 5 years(or based on runtime hours)

Every P0960JA-CP40 system we supply includes:

Burn-in test report(48-hour aging at full load)

Ripple and regulation validation(<100 mVpp)

Redundancy failover demonstration video

24-month warranty

Our engineering team provides:

Power budget calculator for I/O racks

Redundancy architecture diagrams

SIL2 compliance documentation package

Contact us for a resilient,future-ready power solution—whether you need a single P0960JA-CP40 for a critical I/O rack or a site-wide deployment with integrated monitoring for your I/A Series DCS lifecycle extension.

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