Function and Usage
The JR36 series thermal overload relay (hereinafter referred to as the thermal relay) is suitable for AC motors with a frequency of 50Hz/60Hz, voltage up to 690V, and current ranging from 0.25~160A for long-term or intermittent long-term operation, providing overload and phase failure protection. The thermal relay has phase failure protection, temperature compensation, automatic and manual reset, and stable and reliable product performance.
Detailed Description
Parameters:
Current frame: 20, 63, 160
Set current range: 0.25~160A
Installation method: Independent type
Advantages/Core Features:
01 Has differential phase failure protection
02 Has continuously adjustable set current device
03 Has temperature compensation
Detail Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| Current Level | JR36-20 | 32 |
| JR36-63 | 63 |
| JR36-160 | 160 |
| Rated Insulation Voltage V | JR36-20 | 690 |
| JR36-63 | 690 |
| JR36-160 | 690 |
| Phase Failure Protection | JR36-20 | Yes |
| JR36-63 | Yes |
| JR36-160 | Yes |
| Manual and Automatic Reset | JR36-20 | Yes |
| JR36-63 | Yes |
| JR36-160 | Yes |
| Temperature Compensation | JR36-20 | Yes |
| JR36-63 | Yes |
| JR36-160 | Yes |
| Test Button | JR36-20 | Yes |
| JR36-63 | Yes |
| JR36-160 | Yes |
| Installation Method | JR36-20 | Independent Type |
| JR36-63 | Independent Type |
| JR36-160 | Independent Type |
| Auxiliary Contact | JR36-20 | 1NO+1NC |
| JR36-63 | 1NO+1NC |
| JR36-160 | 1NO+1NC |
| AC-15 380V Rated Current A | JR36-20 | 0.47 |
| JR36-63 | 0.47 |
| JR36-160 | 0.47 |
| Wire Cross-sectional Area mm² | Main Circuit | Single-core or stranded wire terminal screw M5 1.0-6.0 |
| | M6 2.5-16 |
| | M8 10-70 |
| Auxiliary Circuit | Single-core or stranded wire terminal screw M3 2×(0.75-1.5) |
| | M3 2×(0.75-1.5) |
| | M3 2×(0.75-1.5) |