Basic Info.
Model NO.
JR28
Type
Electric Parameter Relay
Transport Package
Carton
Trademark
ELECAL
Origin
Wenzhou
Product Description
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
3. Phase-losing Motion Characteristic
4. Specification
5. Accessories
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 |
