Product Detail:
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 |
6. 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 |