Description
⚡ Product Overview
The KATO ENGINEERING KCR-760 is an industrial Voltage Regulator designed for generator and alternator control applications. Part number 821-76111-48 identifies a specific KCR-760 configuration used in industrial power-generation equipment.
The voltage regulator is an important part of a generator excitation and voltage-control system. It works with the generator control architecture to regulate electrical output and maintain the required operating voltage under changing operating conditions.
This unit is suitable for industrial generator maintenance, electrical control-system refurbishment, marine power equipment, and replacement-spare applications where the existing installation specifically calls for KCR-760 part number 821-76111-48.

🔧 Main Features
- ⚡ KATO ENGINEERING KCR-760 voltage regulator
- 🔢 Part number 821-76111-48
- 🎛️ Designed for generator voltage regulation
- ⚙️ Suitable for excitation-system applications
- 🏭 Applicable to industrial power-generation equipment
- ⚓ Suitable for compatible marine generator systems
- 🔌 Panel-mounted industrial control configuration
- 🛠️ Useful for replacement and maintenance projects
- 📋 Suitable for critical generator spare-parts inventory
- 🔄 Designed to operate as part of a complete generator control system
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| 🏷️ Brand | KATO ENGINEERING |
| 📌 Model | KCR-760 |
| 🔢 Part Number | 821-76111-48 |
| ⚙️ Product Name | Voltage Regulator |
| 🎛️ Regulator Type | Generator / Excitation Voltage Regulator |
| 🏭 Application | Generator & Alternator Control |
| 🔌 Mounting Style | Panel Mount |
| ⚡ Electrical Configuration | Verify from unit nameplate |
| 🌍 Country of Origin | United States |
| 📦 Condition | Used / Surplus — verify actual unit condition |
🏭 Typical Applications
The KCR-760 is intended for applications where generator output voltage must be controlled as part of an excitation or generator-control system.
Typical applications include:
- Industrial generator sets
- Synchronous generators
- Alternator excitation systems
- Power-generation plants
- Marine generator systems
- Offshore power equipment
- Emergency and standby generation
- Industrial electrical control cabinets
- Generator refurbishment projects
The exact generator model and excitation-system configuration should be verified before selecting a replacement regulator.
⚙️ Generator Control Function
A voltage regulator forms part of the generator excitation control loop. Depending on the complete generator design, the regulator monitors an electrical feedback signal and adjusts the excitation system to control generator terminal voltage.
For replacement applications, the regulator should therefore be evaluated together with the generator, exciter, sensing circuit, field circuit, protection equipment, and associated control wiring.
The KCR-760 821-76111-48 should not be replaced solely according to the KCR-760 model designation. The complete part number and electrical configuration should match the existing equipment.
🔌 Installation Considerations
Before installation, confirm:
- KCR-760 model identification
- Part number 821-76111-48
- Existing regulator wiring
- Generator voltage-sensing connections
- Excitation/field connections
- Auxiliary power requirements
- Terminal arrangement
- Generator and exciter compatibility
- Required adjustment settings
Disconnect and isolate generator power before working on the regulator. Because excitation circuits can contain hazardous voltage and stored energy, installation and commissioning should be performed by qualified electrical personnel.
After installation, verify all sensing and excitation connections before applying power.
🛠️ Maintenance & Troubleshooting
1. Generator Voltage Is Unstable
Check the voltage-sensing circuit, regulator connections, generator operating conditions, and excitation wiring. Incorrect sensing connections can cause unstable regulation.
2. Generator Does Not Build Voltage
Inspect the regulator power supply, excitation circuit, field wiring, sensing circuit, and generator residual-voltage conditions. Confirm that the regulator configuration matches the generator.
3. Output Voltage Is Too High or Too Low
Verify sensing polarity and connection points first. Then check regulator adjustment settings and generator excitation conditions.
4. Regulator Shows Abnormal Operation
Inspect terminals and wiring for looseness, oxidation, overheating, or damaged insulation. Compare the installed unit’s part number with the original equipment.
5. Replacement Regulator Does Not Operate Correctly
Confirm that 821-76111-48 is the correct configuration rather than another KCR-760 variant. KCR-760 units with different part numbers can have different electrical configurations, so specifications should not be assumed to be interchangeable.
🧰 Replacement Checklist
Before ordering a replacement, verify:
- Brand: KATO ENGINEERING
- Model: KCR-760
- Part number: 821-76111-48
- Generator manufacturer and model
- Generator rated voltage
- Excitation-system configuration
- Voltage-sensing connections
- Field/excitation connections
- Mounting and terminal arrangement
- Original regulator settings and configuration
❓ Common Questions & Answers
Q1: What is KATO KCR-760 821-76111-48?
A: It is a KATO ENGINEERING KCR-760 voltage regulator with part number 821-76111-48, intended for compatible generator and excitation-control applications.
Q2: What is the main function of the KCR-760?
A: Its primary function is voltage regulation within a compatible generator excitation/control system.
Q3: Is KCR-760 used with generators?
A: Yes. The KCR-760 is associated with generator voltage-regulation applications.
Q4: Is 821-76111-48 interchangeable with every KCR-760?
A: No. Different KCR-760 part-number configurations should not automatically be treated as interchangeable. Verify the complete part number and electrical characteristics.
Q5: Can it be used in marine generators?
A: It can be suitable for compatible marine generator applications, provided the regulator’s electrical configuration matches the generator and excitation system.
Q6: What should I check before purchasing?
A: Confirm the complete part number, generator model, voltage rating, sensing circuit, excitation configuration, terminal arrangement, and mounting requirements.
Q7: Is this a complete generator control system?
A: No. The KCR-760 is a voltage-regulation component within a larger generator excitation and control system.
Q8: Does the unit require commissioning after replacement?
A: Yes. Generator voltage sensing, excitation behavior, protection functions, and regulator settings should be checked before returning the generator to normal operation.
🔟 Recommended KATO ENGINEERING Models
- KATO ENGINEERING KCR-760
- KATO ENGINEERING KCR-760 AVR
- KATO ENGINEERING KCR-760 821-76111-48
- KATO ENGINEERING KCR-760 821-76111-02
- KATO ENGINEERING KCR-760 821-76181-02
- KATO ENGINEERING Voltage Regulator 821-36000-00
- KATO ENGINEERING Voltage Regulator 821-36001-00
- KATO ENGINEERING Generator Excitation Regulators
- KATO ENGINEERING Generator Control Regulators
- KATO ENGINEERING Alternator Voltage Regulators
📦 Spare-Parts Value
The KATO ENGINEERING KCR-760 821-76111-48 is a useful strategic spare for compatible generator and excitation systems. Maintaining a correctly identified regulator can help reduce downtime during generator maintenance and control-system troubleshooting.
For long-term inventory management, record the complete part number, generator application, regulator configuration, installation location, and test status. This helps prevent the accidental substitution of a different KCR-760 variant.
Model: KATO ENGINEERING KCR-760
Part Number: 821-76111-48
Product: Voltage Regulator
Application: Generator / Alternator Voltage Control
