1.Application
JR28 series thermal relay is suitable for using in the circuit rated voltage up to 660V, ratedcurrent 93A AC 50/ 60Hz, for over-current protection of AC motor. The relay has the differentialmechanism and temperature compensation and can plug in CJX2 series AC contactor. Theproduct conforms to IEC60947-4-1 stardand.
2. Motion Characteristic: Three-phase Balance Motion Time
| No |
Times of the setting current |
Motion time |
Start condition |
Ambient temperature |
| 1 |
1.05 |
>2h |
Cold state |
20±5oC |
| 2 |
1.2 |
<2h |
Heat state(Following the No.1 test) |
| 3 |
1.5 |
<4min |
| 4 |
7.2 |
10A |
2s< Tp≤10s |
≤63A |
Cold state |
| 10 |
4s< Tp≤10s |
>63A |
3. Phase-losing Motion Characteristic
| No |
Times of the setting current |
Motion time |
Start condition |
Ambienttemperature |
| Any two phases |
Another phase |
| 1 |
1.0 |
0.9 |
>2h |
Cold state |
20±5oC |
| 2 |
1.15 |
0 |
<2h |
Heat state(Following the No.1 test) |
4. Specification
| Type |
Number |
Setting range (A) |
For contactor |
| JR28-25 |
1301 |
0.1~0.16 |
CJX2-09~32 |
| 1302 |
0.16~0.25 |
CJX2-09~32 |
| 1303 |
0.25~0.4 |
CJX2-09~32 |
| 1304 |
0.4~0.63 |
CJX2-09~32 |
| 1305 |
0.63~1 |
CJX2-09~32 |
| 1306 |
1~1.6 |
CJX2-09~32 |
| 1307 |
1.6~2.5 |
CJX2-09~32 |
| 1308 |
2.5~4 |
CJX2-09~32 |
| 1310 |
4~6 |
CJX2-09~32 |
| 1312 |
5.5~8 |
CJX2-09~32 |
| 1314 |
7~10 |
CJX2-09~32 |
| 1316 |
9~13 |
CJX2-09~32 |
| 1321 |
12~18 |
CJX2-09~32 |
| 1322 |
17~25 |
CJX2-32 |
| JR28-36 |
2353 |
23~32 |
CJX2-09~32 |
| 2355 |
30~40 |
CJX2-09~32 |
| JR28-93 |
3322 |
17~25 |
CJX2-09~32 |
| 3353 |
23~32 |
CJX2-09~32 |
| 3355 |
30~40 |
CJX2-09~32 |
| 3357 |
37~50 |
CJX2-09~32 |
| 3359 |
48~65 |
CJX2-09~32 |
| 3361 |
55~70 |
CJX2-09~32 |
| 3363 |
63~80 |
CJX2-09~32 |
| 3365 |
80~93 |
CJX2-95 |
| JR28-150 |
4365 |
80~104 |
CJX2-95 |
| 4367 |
95~120 |
CJX2-95~115 |
| 4369 |
110~140 |
CJX2-115 |
| Type |
Number |
Setting range (A) |
For contactor |
| JR28-150 |
5369 |
90~150 |
CJX2-150 |
| JR28-200 |
F5357 |
30~50 |
CJX2-F115~F185 |
| F5363 |
48~80 |
CJX2-F115~F185 |
| F5367 |
60~100 |
CJX2-F115~F185 |
| F5369 |
90~150 |
CJX2-F115~F185 |
| JR28-630 |
F5371 |
132~220 |
CJX2-F225~F265 |
| F7375 |
200~330 |
CJX2-F225~F500 |
| F7379 |
300~500 |
CJX2-F225~F500 |
| F7381 |
380~630 |
CJX2-F400~F630 |
5. Accessories
| Pic |
|
|
|
| Description |
JR28-25 mounting base |
JR28-36 mounting base |
JR28-93 mounting base |
| Application |
Assembled with JR28-25 to form a complete set |
Assembled with JR28-36 to form a complete set |
Assembled with JR28-93 to form a complete set |
Audited Supplier 
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