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Phone number:0086-0577-61731588
Fax:0086-0577-61731588
Cell phone:+86 18072180777
Wechat:+86 18072180777
Website:www.china-relay.com
Zhiguang Industrial Zone, Liu Town, Yueqing, Zhejiang, China
Summarize
JR36 series thermal overload relays (hereinafter referred to as thermal relays) are suitable for overload and breakage protection of AC motors with 50HZ/60HZ, rated voltage 690V and current 0.25-160A for long-term operation or discontinuous long-term operation.
Thermal relay has broken phase protection, temperature compensation, automatic and manual reset, the product performance is stable and reliable.
This product conforms to: GB14048.4, IEC60947-4-1 and other standards.
This series of thermal relays can only be installed independently.
Normal working conditions
Altitude: not more than 2000m.
The ambient air temperature is -5℃~+40℃, and the average temperature within 24 hours does not exceed +35℃.
Atmospheric conditions: atmospheric relative humidity does not exceed 50% at +40℃, and relatively high relative humidity can be obtained at lower temperature. The average minimum temperature of the wettest month does not exceed +25℃, and the average maximum relative humidity of the month does not exceed 90%. Special measures should be taken for the condensation occasionally produced due to temperature changes.
The pollution level is level 3.
The inclination of the mounting surface to the vertical plane shall not exceed 5°.
In a medium without explosive hazard and in which there is no gas or conductive dust sufficient to corrode the metal and damage the insulation.
In places with rain and snow protection equipment and no water vapor.
Where there is no significant shaking, impact or vibration.
Protective properties
| Project |
|
JR36-20 | JR36-63 | JR36-160 | |
| Rated operating current A |
|
20 | 63 | 160 | |
| Rated insulation voltage V |
|
690 | 690 | 690 | |
| Open phase protection |
|
YES | YES | YES | |
| Manual and automatic reset |
|
YES | YES | YES | |
| Temperature compensation |
|
YES | YES | YES | |
| Test button |
|
YES | YES | YES | |
| installation |
|
stand alone type | stand alone type | stand alone type | |
| The auxiliary contact |
|
1NO+1NC | 1NO+1NC | 1NO+1NC | |
| AC-15 380V Rated Current A |
|
0.47 | 0.47 | 0.47 | |
| DC-15 220V Rated Current A |
|
0.15 | 0.15 | 0.15 | |
| Conductor cross-sectional area mm2 | The primary loop | Single core or stranded wire | 1.0~4.0 | 6.0~16 | 16~70 |
| Connection screw | M5 | M6 | M8 | ||
| The auxiliary circuit | Single core or stranded wire | 2X（0.5~1） | 2X（0.5~1） | 2X（0.5~1） | |
| Connection screw | M3 | M3 | M3 | ||
Structural characteristics
Three - phase bimetallic strip type, trip class 10A
With differential phase - breaking protection.
It has continuous adjustable device of setting current.
With temperature compensation.
It has movement flexibility detection mechanism.
With detection button, it can disconnect the normally closed contact manually.
Adjustable structure with manual and automatic reset conversion.
It has an electrically separable normally open and normally closed contact.
Installation method: independent installation.
Protective properties
| Project | Serial number | Set current multiples | The action time | Test conditions |
| Overload protection | 1 | 1.05 | No action for 2 hours | Cold start |
| 2 | 1.2 | Action for 2 hours | The hot state (after serial number 1) begins | |
| 3 | 1.5 | Action for 2 min | The hot state (after serial number 1) begins | |
| 4 | 7.2 | 2s＜Tp≤10s | Cold start | |
| Open phase protection | 5 |
Any two phases, |, another phase |
No action for 2 hours | Cold start |
| 1.0 |0.9 |
|
|
||
| 6 | 1.5 |0 | Action for 2 hours | The hot state (after serial number 5) begins |
Selection and order data
| Specifications | Rated Current A |
Fuse A Type "1" to cooperate |
Type "2" to cooperate |
Match the contactor type |
| JR36-20 | 0.25-0.35 | 63 | 1.6 | CJT1-10 And other models |
| 0.32-0.50 | 63 | 1.6 | ||
| 0.45-0.72 | 63 | 2 | ||
| 0.68-1.10 | 63 | 4 | ||
| 1.0-1.6 | 63 | 6 | ||
| 1.5-2.4 | 63 | 6 | ||
| 2.2-3.5 | 63 | 10 | ||
| 3.2-5.0 | 63 | 16 | CJT1-20 And other models | |
| 4.5-7.2 | 63 | 16 | ||
| 6.8-11 | 63 | 25 | ||
| 10-16 | 63 | 35 | ||
| 14-22 | 63 | 50 | ||
| JR36-32 | 20-32 | 100 | 63 | CJT1-40 And other models |
| JR36-63 | 14-22 | 160 | 50 | CJT1-60 And other models |
| 20-32 | 160 | 63 | ||
| 28-45 | 160 | 100 | ||
| 40-63 | 160 | 160 | ||
| JR36-160 | 40-63 | 250 | 160 | CJT1-100 And other models |
| 53-85 | 250 | 160 | ||
| 75-120 | 315 | 224 | CJT1-160 And other models | |
| 100-160 | 315 | 224 |
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