Model Jr28 Series Thermal Overload Relay

Model NO.
JR28
Protective Characteristics
Overload
Action Principle
Electronic Type
Size
Miniature
Type
Thermal Overload
Model
Jr28
Transport Package
Exporting Carton
Specification
IEC60947-4-1
Trademark
Long Road/OEM
Origin
China
Production Capacity
100k/Month
Reference Price
Please contact us for quote
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Product Description

1.Application
JR28 Series thermal overload relays (hereinafter abbreviated as thermal relays) are suitable for overload and phase loss protection for uninterrupted or intermittent AC motors with AC frequency of 50 Hz/60 Hz, a voltage up to 690 V, and a current of (0.1-630)A.


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±5 o C
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±5 o C
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 CJX2-09~40
3357 37~50 CJX2-09~50
3359 48~65 CJX2-09~65
3361 55~70 CJX2-09~70
3363 63~80 CJX2-09~80
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

Model Jr28 Series Thermal Overload Relay Model Jr28 Series Thermal Overload Relay Model Jr28 Series Thermal Overload Relay Model Jr28 Series Thermal Overload Relay Model Jr28 Series Thermal Overload Relay

 

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