Description
🔹 Product Introduction
The Honeywell SPS5710-2-LF is an industrial power supply module identified by part number 51198685-100. It is used within Honeywell Experion Series C power system configurations to provide regulated DC power for industrial control system components.
Honeywell documentation identifies 51198685-100 as a 20 A power supply for Series C power systems. In redundant configurations, two power supply modules can be installed in the same power chassis, supporting continued system operation if one supply is removed or requires service.
The module is designed for integration with Honeywell process control cabinets, controller racks, I/O systems, and associated power distribution assemblies. It is particularly suitable as a replacement or maintenance spare for existing Honeywell installations.

🔹 Key Features
- Honeywell SPS5710-2-LF power supply module
- Part number 51198685-100
- Designed for Honeywell Experion Series C power systems
- 20 A power supply configuration
- 120/240 VAC-class AC input system
- Approx. 25 VDC system output
- Suitable for redundant power supply configurations
- Used with Honeywell power system chassis and distribution assemblies
- Suitable for industrial automation maintenance and replacement
- Supports controller, I/O, and system power distribution requirements
📋 Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Honeywell |
| Model | SPS5710-2-LF |
| MPN | 51198685-100 |
| Series | Experion Series C |
| Product Name | Power Supply Unit |
| Product Type | Industrial Power Supply Module |
| Rated Capacity | 20 A |
| AC Input | 120/240 VAC class |
| DC Output | Approx. 25 VDC system output |
| Application | Honeywell Series C Power System |
| Condition | Used / Pre-Owned |
⚙️ Functional Applications
The SPS5710-2-LF is intended for power-system applications where stable DC power is required for Honeywell industrial automation equipment.
Typical applications include:
- Honeywell Experion Series C control systems
- Process controller cabinets
- Distributed I/O systems
- Industrial control power distribution
- Redundant AC/DC power supply assemblies
- Process automation maintenance systems
- Replacement of failed or aging power modules
- Industrial plant spare-parts inventory
Honeywell Series C power-system documentation lists the 51198685-100 as a 20 A power supply and shows it in redundant power configurations with system power distribution and backup-power components.
🔧 Installation & Integration
Before installation, verify that the replacement module carries the correct part number 51198685-100 and model designation SPS5710-2-LF.
Recommended installation procedure:
- Confirm the existing power-system chassis and supply configuration.
- Disconnect and isolate the applicable AC power source.
- Verify input and output wiring before removing the existing module.
- Inspect the connector, socket, terminals, and mounting area for damage or contamination.
- Install the SPS5710-2-LF firmly into the designated power-supply position.
- Check system grounding and power-distribution connections.
- Restore power according to the site’s approved startup procedure.
- Verify DC output voltage and system alarms.
- If used in a redundant configuration, confirm that both power supplies are recognized and operating correctly.
For replacement work, the complete cabinet configuration should be checked because power-system architecture, redundancy, and backup-battery arrangements can vary between installations.
🛠️ Maintenance Recommendations
- Keep the power-supply area clean and free from conductive dust.
- Inspect connectors and sockets during scheduled maintenance.
- Check for discoloration, corrosion, loose connections, or heat-related damage.
- Monitor system power alarms and abnormal DC output conditions.
- Verify cooling and cabinet ventilation.
- Do not exceed the intended system load.
- When replacing a module, compare the part number and revision before installation.
- Maintain at least one tested spare when the associated control system is operationally critical.
❓ FAQ
Q1: What is the part number of this Honeywell power supply?
A: The part number is 51198685-100.
Q2: What is the model number?
A: The model is SPS5710-2-LF.
Q3: What Honeywell system is it associated with?
A: It is associated with Honeywell Experion Series C power-system configurations.
Q4: Is 51198685-100 a power supply or a controller module?
A: It is a dedicated industrial power supply module, not a controller CPU or I/O module.
Q5: Can it be used in a redundant configuration?
A: Yes. Honeywell Series C power-system documentation specifies configurations using two 51198685-100 power supplies for redundant operation.
Q6: What is the rated capacity?
A: Honeywell documentation identifies it as a 20 A power supply.
Q7: What should be checked before replacement?
A: Verify the model, part number, chassis configuration, input power arrangement, connector condition, and system output requirements before installation.
Q8: Is this suitable as a maintenance spare?
A: Yes. It is appropriate for replacement inventory where the existing system specifically uses SPS5710-2-LF / 51198685-100.
Q9: Can it be installed into any Honeywell power system?
A: No. Compatibility should be confirmed against the exact Honeywell chassis and power-system configuration.
Q10: What is the condition of this listing?
A: This listing is Used / Pre-Owned.
🔹 Recommended Honeywell Related Models
- Honeywell CC-PWRR01 Series C Redundant Power System
- Honeywell CC-PWRN01 Series C Power Subsystem
- Honeywell CC-PWRB01 Series C Power System with Backup Battery
- Honeywell CC-PWR401 40A Power Subsystem
- Honeywell CC-PWN401 40A Power Subsystem
- Honeywell 51199931-200 Backup Battery Regulator and Charger
- Honeywell 51199946-100 24V Backup Battery Kit
- Honeywell 51199942-100 Ni-MH Battery Pack
- Honeywell 51199945-100 Battery Rack
- Honeywell 51199930-100 Series C Module Rack
🔹 Product Summary
The Honeywell SPS5710-2-LF, part number 51198685-100, is a 20 A industrial power supply module designed for Honeywell Experion Series C power-system applications. With support for redundant power configurations and system-level DC power distribution, it is a practical replacement and maintenance spare for existing Honeywell process-control installations.
