General
The CJX3 series comprises a range of thermal magnetic circuit breakers designed for various electrical applications. Featuring rated operation voltages of 380 and 660V, these circuit breakers are suitable for AC-3 and AC-4 loads. They exhibit rated insulation voltage of 690V and are equipped to handle thermal currents up to 20 amps. The CJX3 series includes multiple models such as CJX3-09 to CJX3-95, each offering distinct rated operational currents and maximum motor powers. These breakers ensure reliable electrical and mechanical longevity, with electrical life spanning up to 10,000 operations and a mechanical life of 10,000 hours. They are well-suited for use with RT16 series fuse types, making them a versatile and dependable choice for various industrial and commercial electrical systems.
Technical Parameters
| Type | CJX3-09 | CJX3-12 | CJX3-18 | CJX3-25 | CJX3-32 | CJX3-40 | CJX3-50 | CJX3-65 | CJX3-80 | CJX3-95 |
| Main circuit characteristic |
| Rated operation voltage (Ue) | V | 380,660 |
| Rated insulation voltage (Ui) | V | 690 |
| Rated thermal current (Ith) | A | 20 | 20 | 32 | 40 | 50 | 60 | 80 | 80 | 125 | 125 |
| Rated operation current (le) | AC-3.380V | A | 9 | 12 | 18 | 25 | 32 | 40 | 50 | 65 | 80 | 95 |
| AC-3,660V | A | 6.6 | 8.9 | 12 | 18 | 21 | 34 | 39 | 42 | 49 | 55 |
| AC-4.380V | A | 3.5 | 5 | 7.7 | 8.5 | 12 | 18.5 | 24 | 28 | 37 | 41 |
| AC-4.660V | A | 1.5 | 2 | 3.8 | 4.4 | 7.5 | 9 | 12 | 14 | 17.3 | 21.3 |
| Max. power of 3 phase motor controlled | AC-3.220V | kW | 2.2 | 3 | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 25 |
| AC-3.380V | kW | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 |
| AC-3.660V | kW | 5.5 | 7.5 10 | 15 | 18.5 | 30 | 33 | 37 | 45 | 55 |
| Electrical life | AC-3 | 10000t | 100 | 80 | 80 | 60 |
| AC-4 | 10000t | 20 | 20 | 15 | 10 |
| Machinical life | 10000t | 1000 | 800 | 800 | 600 |
| Operation frequency | AC-3 | t/h | 1200 | 600 | 600 | 600 |
| AC-4 | t/h | 300 | 300 | 300 | 300 |
| Matching fuse type | RT16-20 | RT16-20 RT16-32 | RT16-40 | RT16-50 | RT16-63 | RT16-80 RT16-80 | RT16-100RT16-125 |
| Matching thermal relay type | JR28-25 | JR28-25 | JR28-25 | JR28-25 | JR28-36 | JR28-93 | JR28-93 JR28-93 | JR28-93 JR28-93 |
| Wiring capacity |
| mm2 | 1.5 | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 16 | 25 | 35 |
| Coil |
| Control power voltage (Us) | AC | V | 36,110,127,220,380 |
| Allowed control circuit voltage | Close | V | 85%~110%Us |
| Open | V | 20%~75%Us(AC) |
| Coil power | Close | VA | 70 | 110 | 200 |
| Keeping | VA | 8 | 11 | 20 |
| Loss power | W | 1.8~2.7 | 3~4 | 6~10 |
| Auxiliary contact |
|
| Rated thermal current (Ith) | A | 10 |
| Rated operation voltage (Ue) | AC | V | 380 |
| DC | V | 220 |
| Rated control capacity | AC-15 | VA | 360 |
| DC-13 | W | 33 |
| Volts | 24 | 42 | 48 | 110 | 220 | 230 | 240 | 380 | 400 | 415 | 440 | 500 | 660 |
| 50Hz | B5 | D5 | E5 | F5 | M5 | P5 | U5 | Q5 | V5 | N5 | R5 | S5 | Y5 |
| 60Hz | B6 | D6 | E6 | F6 | M6 | - | U6 | Q6 | - | - | R6 | - | - |
| 50/60HZ | B7 | D7 | E7 | F7 | M7 | P7 | JJ7 | Q7 | V7 | N7 | R7 | - | - |
Yueqing Lovadon Electric Co., Ltd.
