Emerson KJ1501X1-BC1 System Power Supply

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

Product Applications

• Distributed Control Systems (DCS) – Supplies stable power to controllers, I/O modules, and communication interfaces within Emerson DeltaV systems.

• Redundant Power Architectures – Functions in dual-redundant configurations for mission-critical process control operations.

• Oil and Gas Refineries – Used in hazardous and remote environments for reliable control system operation.

• Power Plants – Provides uninterrupted power to automation subsystems ensuring safe and stable plant performance.

• Chemical and Petrochemical Plants – Supports explosion-proof system components and continuous operations in harsh conditions.

• Pharmaceutical Manufacturing – Powers validated control systems with high stability and electrical noise immunity.

Product Advantages

• High Availability – Designed for redundant deployment, ensuring system continuity even during module failure or maintenance.

• Wide Input Range – Operates over 18–32 VDC, accommodating battery-backed or regulated power sources.

• Industrial-Grade Reliability – Withstands vibration, extreme temperatures, and electrical noise common in industrial environments.

• LED Diagnostics – Built-in LED indicators provide immediate visual feedback for power status, easing maintenance.

• Integrated with DeltaV – Seamless fit with DeltaV DCS architecture reduces engineering and wiring complexity.

• Compact & Fanless – Space-efficient and noiseless operation, critical for cabinet environments.

• Overload Protection – Self-resetting current limit and thermal protection extend the lifespan of connected devices.

• Regulated Output – Precision 5.1 VDC output voltage protects sensitive electronics.

• Field-Proven Design – Backed by Emerson’s extensive track record in process automation and power system design.

• Easy Replacement – Hot-swappable on DeltaV carriers, simplifying maintenance and reducing downtime.

Frequently Asked Questions (FAQ)

1. 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.

2. Q: Does it support redundant operation?

   A: Yes, it supports 1-to-1 redundancy. You can install two units in parallel for high availability.

3. Q: What is the output voltage of this power supply?

   A: The KJ1501X1-BC1 provides a regulated 5.1 VDC output.

4. Q: Can it handle wide voltage inputs?

   A: Yes, the unit operates across an input voltage range of 18 to 32 VDC.

5. Q: Is it certified for hazardous environments?

   A: Yes, it has ATEX Zone 2 certification and is approved for use in hazardous locations.

6. Q: How is the module cooled?

   A: It uses passive convection cooling, which means no fans are required, minimizing maintenance.

7. Q: What kind of protection does it offer?

   A: The module features current limiting, thermal shutdown, and automatic recovery.

8. Q: Can I monitor its status?

   A: Yes, it has onboard LEDs to indicate operational and fault conditions.

9. 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.

10. Q: Is the KJ1501X1-BC1 hot-swappable?

    A: Yes, it can be replaced without powering down the DeltaV system when installed on supported carriers.