JR28-95 Thermal Overload Relay LR2D33 Adjustable 23–93A CE
JR28-95 Thermal Overload Relay LR2D33 Adjustable 23–93A CE
JR28-95 Adjustable Thermal Overload Relay – LR2D33 Series, 23–93A
The JR28-95 (LR2D33) Thermal Overload Relay is a robust, CE-certified protection device designed for use in motor control circuits operating on 50Hz or 60Hz systems. With an adjustable current range spanning 23A to 93A across multiple variants, this relay provides dependable overload and phase-break protection for a wide variety of general-purpose electric motors and industrial applications.
Key Features
- Wide Current Range: Available in 23–32A, 30–40A, 37–50A, 48–65A, 55–70A, 63–80A, and 80–93A variants to suit diverse motor sizes.
- High Withstand Voltage: Rated insulation voltage of 660V for safe use in demanding electrical environments.
- Dual Reset Method: Supports both manual and automatic reset for flexible operation and fast recovery.
- Temperature Compensation: Built-in temperature compensation mechanism ensures accurate, reliable tripping performance across varying ambient conditions.
- Plug-In Compatibility: Designed to plug directly into LC1-D / CJX2 series AC contactors for combined or independent installation.
- Auxiliary Contact Output: 1NO + 1NC auxiliary contacts for seamless integration into control circuits.
- Phase-Break Protection: Detects phase-loss conditions to protect motors from damage caused by unbalanced or missing phases.
- Sealed Construction: Sealed housing provides added protection against dust and contaminants in industrial environments.
- CE Certified: Meets international safety and performance standards.
Specifications
| Model | JR28-95 (LR2D33) |
| Rated Current Range | 0.1–93A (multiple ranges available) |
| Withstand Voltage | 660V |
| Frequency | 50Hz / 60Hz |
| Trip Level | 10A |
| Auxiliary Contact | 1NO + 1NC |
| Reset Method | Manual & Automatic |
| Installation | Independent or Combined (with CJX2/LC1-D contactors) |
| Certification | CE |
| Brand | CKCTINNER |
What's Included
- 1 × JR28-95 Thermal Overload Relay (selected current range)
Made in Mainland China.
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Frequently Asked Questions
Q: What current ranges are available for the JR28-95 thermal overload relay?
A: The JR28-95 (LR2D33) thermal overload relay is available in seven current range options: 23–32A, 30–40A, 37–50A, 48–65A, 55–70A, 63–80A, and 80–93A. Select the range that best matches your motor's full-load current rating for accurate overload protection.
Q: Is the JR28-95 relay compatible with CJX2 and LC1-D contactors?
A: Yes. The JR28-95 thermal overload relay is specifically designed to plug into LC1-D and CJX2 series AC contactors for combined installation, making it ideal for standard motor starter assemblies. It can also be installed independently if required.
Q: Does this relay support automatic reset after tripping?
A: Yes. The JR28-95 supports both manual and automatic reset modes, giving you the flexibility to choose the reset method that best suits your application and safety requirements.
Q: What protection functions does the JR28-95 thermal overload relay provide?
A: The relay provides overload protection and phase-break (phase-loss) detection for electric motors operating on 50Hz or 60Hz circuits up to 660V insulation voltage. The built-in temperature compensation mechanism ensures consistent tripping accuracy across varying ambient temperatures.