KJ1501X1-BC1 Emerson System Dual Power Supply | New & Original
Manufacturer: Emerson
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Part Number: KJ1501X1-BC1
Condition：New with Original Package
Product Type: Power Supplies
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson KJ1501X1-BC1 System Dual Power Supply
The Emerson KJ1501X1-BC1, also cataloged as the KJ1501X1-BC1 System Dual DC/DC Power Supply, operates as a dedicated hardware component for localized voltage regulation and distribution within DeltaV distributed control system networks. The module interfaces directly with a primary 24 VDC external bus or a 12 VDC input rail to derive steady-state, lower-potential logic currents. Operating at the system infrastructure layer, the device suppresses incoming terminal ripples and isolates internal logic card backplanes from field-side voltage disruptions.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ1501X1-BC1 (Alternate Part No: 12P2186X032 / VE5008) |
| Brand | Emerson (DeltaV Series) |
| Origin | USA |
| Weight | 0.59 kg (1.30 lbs) |
| Dimensions | 14.6 cm x 3.3 cm x 13.0 cm |
| Operating Temp | -40 to 70 deg C (Continuous rated load up to 60 deg C) |
| Power Consumption | Sourced via input feed; efficiency bounds maintain internal loss parameters |
| Nominal Input Rating | 24 VDC input at 5.4 A / 12 VDC input at 14.8 A |
| Input Operating Range | 24 VDC Mode: 22.8 to 25.2 VDC; 12 VDC Mode: 11.4 to 12.6 VDC |
| Multi-Rail Logic Outputs | +12 VDC (13.0 A under 12 VDC feed / 4.5 A under 24 VDC feed), +5 VDC (2.0 A), +3.3 VDC (2.0 A) |
| Maximum Thermal Output | 10 W maximum total load allocation at 60 deg C |
| Integrated Alarm Relay | Dedicated dry contact block rated at 2 A at 30 VDC / 2 A at 250 VAC |
| Enclosure Mounting | Standard DeltaV power carrier track / DIN rail structure |
| Electrical Safeguards | Latched over-voltage protection, automatic over-current limiting, thermal shutdown |
Channel-to-Channel Isolation and Loop Protocol Stability
The KJ1501X1-BC1 utilizes independent power transformer paths to establish galvanic and optical channel-to-channel isolation parameters, blocking common-mode electrical noise from shifting local ground references. By regulating the internal +12 VDC and +5 VDC logic lines, the hardware prevents transient source variations from inducing data-link errors across the system railbus. This high-frequency line filtering prevents induced ripple currents from leaking onto the 4-20 mA HART loop protocol lines or parallel fieldbus networks sharing the same distribution pathways, protecting analog signal conversion integrity.
Frequently Asked Questions
Q: How does the internal alarm relay behave during an unexpected drop in input voltage?
A: The alarm relay utilizes an internal form-C contact assembly held energized under normal voltage conditions. If the incoming 24 VDC or 12 VDC feed drops below the minimum operating limits, or if internal rail failures occur, the contact immediately opens to signal a hard diagnostic fault to upstream supervision software.
Q: Is this power module capable of online replacement while parallel supplies are active?
A: Yes. When installed within a redundant DeltaV carrier layout, the module supports hot-swap replacement. Internal blocking diodes isolate the output rails upon mechanical extraction, preventing voltage dips on the backplane bus during live replacement.
Q: What are the input balancing restrictions when implementing dual redundant configurations?
A: The dual power supply carrier handles load-sharing logic automatically via low-impedance balancing circuitry. To ensure equal thermal distribution and prevent premature aging of a single module, external supply lines must be matched within a 0.2 VDC tolerance threshold.
Field Installation Guidelines
- Align the power module assembly with the designated track on the DeltaV power carrier plate, shifting the housing downward until the multi-pin backplane mating array seats into the base.
- Fasten all secondary input wiring links to the primary terminal assembly using crimped copper ferrule sleeves to prevent loose connections under high mechanical vibration profiles.
- Confirm that external grounding terminals tie back directly to the primary cabinet copper earth busbar using short, low-impedance conductors to dissipate high-frequency switching noise.
- Keep structural heat sink channels clear of cabling bundles or plastic wire ducts to preserve passive convective air current pathways across the full -40 to 70 deg C thermal band.