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Product Introduction
The Emerson KJ1501X1-BC1 is a high-reliability system power supply module designed specifically for use in DeltaV distributed control systems (DCS). Engineered to deliver regulated and uninterrupted power to critical components such as I/O cards, system controllers, and communication modules, the KJ1501X1-BC1 plays a central role in ensuring the continuous operation of industrial automation networks.
This power supply is mounted on the DeltaV Power/Controller Carrier and works in redundant configurations for high-availability applications. It accepts a wide range of input voltages and provides a clean, isolated DC output, optimized for the sensitive electronics within the DeltaV system. Built with Emerson’s rigorous industrial design standards, the module supports robust thermal performance, electromagnetic compatibility, and long-term reliability under 24/7 operational loads.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Model | KJ1501X1-BC1 |
| Manufacturer | Emerson Process Management |
| Product Type | System Power Supply Module |
| System Compatibility | DeltaV DCS – Power/Controller Carrier |
| Input Voltage Range | 18 VDC to 32 VDC |
| Nominal Input Voltage | 24 VDC |
| Input Power | 40 W (max) |
| Output Voltage | 5.1 VDC (regulated) |
| Output Power | 35 W nominal |
| Output Current | 7 A max (at 5.1 VDC) |
| Redundancy Support | Yes (1-to-1 redundancy supported) |
| Overload Protection | Current-limited, thermal shutdown with auto-recovery |
| Status Indication | LED indicators for power status |
| Cooling Method | Natural convection (fanless) |
| Mounting Type | DIN rail via DeltaV carrier |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95%, non-condensing |
| Certifications | CE, CSA, UL, FM, ATEX (Zone 2), RoHS |
| Shock & Vibration | IEC 60068-2-6 compliant |
| Dimensions (H × W × D) | 125 x 105 x 40 mm |
| Weight | 1.03 kg |
Product Applications
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Distributed Control Systems (DCS) – Supplies stable power to controllers, I/O modules, and communication interfaces within Emerson DeltaV systems.
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Redundant Power Architectures – Functions in dual-redundant configurations for mission-critical process control operations.
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Oil and Gas Refineries – Used in hazardous and remote environments for reliable control system operation.
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Power Plants – Provides uninterrupted power to automation subsystems ensuring safe and stable plant performance.
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Chemical and Petrochemical Plants – Supports explosion-proof system components and continuous operations in harsh conditions.
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Pharmaceutical Manufacturing – Powers validated control systems with high stability and electrical noise immunity.
Product Advantages
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High Availability – Designed for redundant deployment, ensuring system continuity even during module failure or maintenance.
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Wide Input Range – Operates over 18–32 VDC, accommodating battery-backed or regulated power sources.
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Industrial-Grade Reliability – Withstands vibration, extreme temperatures, and electrical noise common in industrial environments.
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LED Diagnostics – Built-in LED indicators provide immediate visual feedback for power status, easing maintenance.
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Integrated with DeltaV – Seamless fit with DeltaV DCS architecture reduces engineering and wiring complexity.
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Compact & Fanless – Space-efficient and noiseless operation, critical for cabinet environments.
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Overload Protection – Self-resetting current limit and thermal protection extend the lifespan of connected devices.
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Regulated Output – Precision 5.1 VDC output voltage protects sensitive electronics.
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Field-Proven Design – Backed by Emerson’s extensive track record in process automation and power system design.
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Easy Replacement – Hot-swappable on DeltaV carriers, simplifying maintenance and reducing downtime.
Frequently Asked Questions (FAQ)
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Q: What systems is the KJ1501X1-BC1 compatible with?
A: It is designed specifically for Emerson’s DeltaV distributed control system using the Power/Controller Carrier. -
Q: Does it support redundant operation?
A: Yes, it supports 1-to-1 redundancy. You can install two units in parallel for high availability. -
Q: What is the output voltage of this power supply?
A: The KJ1501X1-BC1 provides a regulated 5.1 VDC output. -
Q: Can it handle wide voltage inputs?
A: Yes, the unit operates across an input voltage range of 18 to 32 VDC. -
Q: Is it certified for hazardous environments?
A: Yes, it has ATEX Zone 2 certification and is approved for use in hazardous locations. -
Q: How is the module cooled?
A: It uses passive convection cooling, which means no fans are required, minimizing maintenance. -
Q: What kind of protection does it offer?
A: The module features current limiting, thermal shutdown, and automatic recovery. -
Q: Can I monitor its status?
A: Yes, it has onboard LEDs to indicate operational and fault conditions. -
Q: What’s the expected lifetime or MTBF?
A: Emerson designs these modules for long-term use under continuous industrial load, with a typical MTBF of over 300,000 hours. -
Q: Is the KJ1501X1-BC1 hot-swappable?
A: Yes, it can be replaced without powering down the DeltaV system when installed on supported carriers.
Recommended Related or Same-Series Models
| Model Number | Description | Voltage | Output Power | Redundancy | Certifications |
|---|---|---|---|---|---|
| KJ1501X1-BB1 | DeltaV Power Supply Module (Alternate variant) | 24 VDC | 35 W | Yes | UL, CE, ATEX |
| KJ3221X1-BA1 | Analog Input Module (12-ch, HART, DeltaV) | – | – | N/A | CE, CSA, FM |
| KJ3001X1-BB1 | DeltaV Controller Power Supply Base | 24 VDC | – | Yes | RoHS, UL |
| KJ4001X1-CA2 | Redundant Communication Module Power Supply | 24 VDC | 40 W | Yes | CE, CSA |
| KJ1501X1-BC3 | High-Reliability DeltaV Power Supply | 24 VDC | 35 W | Yes | ATEX, RoHS |
| KJ2101X1-BA1 | I/O Redundancy Power Supply (DeltaV) | 24 VDC | 35 W | Yes | CE, UL |
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