Description
Product Description
Overview
The Emerson KJ1501X1-BC2 (12P2045X012) is a high-performance system power supply designed for the DeltaV™ M-Series Distributed Control System (DCS). This module converts 24 VDC bulk power into regulated 12 VDC output to supply the LocalBus, ensuring reliable operation of controllers and I/O modules in demanding industrial environments. Its compact, rail-mounted design supports both standalone and redundant configurations for high system availability.
Key Features
High-Efficiency Power Conversion
The BC2 model delivers superior energy efficiency, minimizing heat generation and enhancing reliability in dense cabinet installations.
Redundant Load Sharing
Supports parallel operation with active load balancing. A redundant module instantly assumes full output in case of failure, guaranteeing uninterrupted system operation.
Advanced Protection Circuitry
Includes overvoltage protection, current limiting, and reverse polarity safeguards to protect both the module and connected DeltaV components.
Visual Diagnostics
Equipped with a front-panel Power OK LED to indicate correct 12 VDC output. LED off signals input loss or internal fault.
Environmental Resilience
Rated for harsh plant conditions with an operating range of -40°C to +70°C and G3-level protection against moisture, salt, and corrosive atmospheres.
Technical Specifications
| Feature |
Specification |
| Model Number |
KJ1501X1-BC2 |
| Part Number |
12P2045X012 |
| Input Voltage |
24 VDC Nominal |
| Output Voltage |
12.2 VDC Regulated LocalBus Power |
| Output Current |
13 A Max per module |
| Output Power |
Up to 156 W for 12 VDC load |
| Mounting |
DeltaV M-Series Controller/I/O Carrier |
| Protection Features |
Overvoltage, Current Limit, Reverse Polarity |
| Environmental Ratings |
-40°C to +70°C, Conformal Coating (G3) |
| Certifications |
ATEX, CE, UL, FM Class 1 Div 2, CSA |
| Weight |
0.7 kg |
Applications
Ideal for M-Series controller carriers and I/O systems where high current capacity, thermal efficiency, and redundancy are required. Supports high-density configurations with multiple MQ controllers or advanced I/O modules.
FAQ
Q: Can two KJ1501X1-BC2 modules operate redundantly?
A: Yes, they support active load sharing for seamless redundancy.
Q: What happens if input polarity is reversed?
A: The module’s built-in reverse polarity protection prevents damage.
Q: Is this module compatible with older BA-series carriers?
A: It is optimized for M-Series carriers; BA-series compatibility is limited and not recommended for high-current loads.
Q: What is the expected service life under continuous operation?
A: With proper cooling, the module typically exceeds 10 years of service in standard industrial conditions.
