Honeywell 51198685-100

Honeywell 51198685-100 | SPS5710-2-LF 20A Power Supply Honeywell

$3,680.00

Honeywell 51198685-100 (SPS5710-2-LF) is a Series C power supply used to provide DC power within Honeywell industrial control system architectures.
Brand model：Honeywell 
Product Name:51198685-100
Warranty: 1 year
Origin:USA
HS code：85389000.00
Inventory: Spot/Futures
Goods condition: Brand new
Delivery time: 3-4days/1month

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Description

  • Model: SPS5710-2-LF
  • Part Number: 51198685-100
  • Brand: Honeywell
  • Series: Series C Power System
  • Core Function: Supplies DC power to Series C control hardware
  • Type: Industrial Power Supply Module
  • Key Specs: 24 VDC; 20 A rating; Series C system application

Honeywell identifies 51198685-100 as a 20 A power supply used in the Series C power system.

Product Introduction

Honeywell 51198685-100 (SPS5710-2-LF) is a Series C power supply used to provide DC power within Honeywell industrial control system architectures. Honeywell documentation lists this part number as a 20 A power supply, making it a maintenance spare for Series C power-system assemblies.

The commonly identified electrical rating is 24 VDC / 20 A. Third-party product listings associate the SPS5710-2-LF with Honeywell Experion PKS Series C systems, but exact electrical and environmental limits should be checked against the nameplate and applicable Honeywell documentation for the installed revision.

Key Technical Specifications

Parameter Specification
Manufacturer Honeywell
Model SPS5710-2-LF
Part Number 51198685-100
Product Type Power Supply
System Family Honeywell Series C
Rated Output 20 A
Output Voltage 24 VDC
Application Industrial automation / DCS power system
System Role DC power supply for control hardware
Replacement Status Listed by Honeywell as an optimal replaceable unit
Typical Use Series C power-system maintenance spare
Condition Confirm exact stock condition before purchase

Honeywell’s current Series C documentation explicitly lists 51198685-100 — POWER SUPPLY, ATDI among optimal replaceable units. A Honeywell System Hints publication also identifies it as the 20 A Power Supply replacement part.

Honeywell 51198685-100

Honeywell 51198685-100

Installation & Configuration Guide

Stage 1 — Pre-Installation

Estimated time: 10 minutes

⚠️ Safety first. This is a power-conversion device. Follow the site’s approved isolation and LOTO procedure.

  1. Notify operations before beginning work.
  2. Confirm the controlled process is in a safe operating state.
  3. Isolate the applicable power source according to site procedures.
  4. Verify the supply is de-energized with an appropriately rated meter.
  5. Wear suitable ESD protection where required.
  6. Photograph the existing power-supply wiring and mounting position.
  7. Record the existing model, part number, and revision/nameplate data.

Do not rely on the part number alone when a site contains multiple Series C power assemblies. Check the actual installed configuration.

Stage 2 — Remove Existing Supply

Estimated time: 5–10 minutes

  1. Confirm power isolation.
  2. Label each cable before disconnection.
  3. Photograph terminal positions.
  4. Disconnect the input and output wiring.
  5. Release the mechanical retaining hardware.
  6. Remove the supply carefully.
  7. Inspect terminals, connectors, and mounting hardware for heat damage or corrosion.

Do not pull on wiring. Damaged terminal hardware can create a second fault after the replacement is installed.

Stage 3 — Install 51198685-100

Estimated time: 5–10 minutes

  1. Verify the exact part number against the removed unit.
  2. Inspect the replacement for mechanical damage.
  3. Confirm the mounting arrangement.
  4. Install the power supply in the correct position.
  5. Reconnect input and output wiring using the photographs and labels.
  6. Verify polarity before energizing the DC output.
  7. Tighten terminals according to the applicable Honeywell installation documentation.

Stage 4 — Power-On and Verification

Estimated time: 10–15 minutes

  1. Perform a final wiring inspection.
  2. Verify the input supply before energization.
  3. Energize the power system using the approved startup procedure.
  4. Check the power-supply status indicators.
  5. Measure the DC output with a calibrated multimeter.
  6. Confirm the Series C controller and associated hardware receive normal power.
  7. Check for power-system alarms.
  8. Monitor output stability under the normal system load.

Honeywell documentation notes that the Series C power system monitors its backup-battery subsystem and can generate a battery failure alarm when the monitored voltage falls below the permitted limit.

Common Replacement Risks

1. Wrong Voltage or Part Variant

A similar-looking power supply is not automatically interchangeable.

Check: Match the complete Honeywell part number and the actual system drawing before installation.

2. Insufficient Power Capacity

The 20 A rating matters at the system level.

If the connected load approaches the supply limit, a replacement will not solve an underlying power-budget problem. Calculate normal and peak loading before selecting a spare.

3. Incorrect Polarity

A DC wiring error can damage downstream equipment.

Check: Verify polarity with the wiring diagram and meter before applying power.

4. Battery-System Alarm

The Series C power architecture includes a RAM battery-backup subsystem. Honeywell identifies dedicated replacement battery assemblies separately from the 20 A power supply.

A power-supply replacement therefore does not automatically mean the battery system has been replaced.

5. Thermal or Mechanical Damage

Look closely at terminal blocks and cable insulation.

Browned plastic, loosened terminals, or localized discoloration often points to a pre-existing connection or loading problem.

FAQ

1. What is Honeywell 51198685-100?

It is the SPS5710-2-LF 20 A power supply used in Honeywell Series C power-system applications. Honeywell lists 51198685-100 as a power-supply replacement part.

2. Is 51198685-100 a 24 VDC power supply?

Available product references identify the SPS5710-2-LF as a 24 VDC, 20 A power supply. For a field replacement, confirm the exact nameplate and system documentation before energization.

3. Which Honeywell system uses SPS5710-2-LF?

It is associated with Honeywell Series C / Experion PKS power-system applications. Honeywell’s own documentation lists the part within Series C power-system replaceable units.

4. Can I replace it directly with another 20 A supply?

Not automatically. The mechanical interface, electrical characteristics, wiring, and Honeywell system compatibility all need to match.

5. Does 51198685-100 include the backup battery?

No indication supports treating it as the battery assembly. Honeywell separately lists 51199946-100 for the 24 V backup battery assembly and 51199942-100 / 51199942-300 for the Ni-MH battery pack.

6. Is 51198685-100 still used as a maintenance spare?

Yes. Honeywell’s published UPC documentation currently lists 51198685-100 among the optimal replaceable units.

7. What should I check before ordering?

Provide the supplier with 51198685-100 / SPS5710-2-LF, the installed system type, nameplate information, required condition, and any revision details. For critical DCS power supplies, one tested spare per critical power architecture is a sensible buffer-stock starting point.

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