CR2 Series Thermal Overload Relay
CR2 Series Thermal Overload Relay
CR2 Series Thermal Overload Relay
CR2 Series Thermal Overload Relay
CR2 Series Thermal Overload Relay
CR2 Series Thermal Overload Relay
CR2 Series Thermal Overload Relay
CR2 Series Thermal Overload Relay

CR2 Thermal Overload Relay

Thermal relays are protective electrical appliances used for overload protection of motors or other electrical equipment and electrical circuits.

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Product Description

Description

Electric value AC50/60Hz, 690V, 0.1A~630A
Tripping class 10A
Mounting version Plug-in: Available for CR2-13,23,33

Type Designation 

C

R

2

13

10

Company code

Thermal Overload Relay

Design sequence Number

Frame Size

Code of current rating:Basic specification, expressed with the rated operational current (380V/400V, AC3)

Feature 3-phase bimetal
Continuously readjustable current settings
Temperature compensation
Tripping indicator
Test button
Stop button
Manual and automatic reset button
Electrically separated 1N/O plus 1N/C contact

Technical Specification

Protection property  Item Series No. I/In Operating time Tp Test condition
Overload
protection
1 1.05 >2 h Start from cold status
2 1.2 ≤2h Start from heat status,
right after item No.1
3 1.5 ≤2min Start from heat status,
right after item No.1
4 7.2 2s<Tp≤10s Start from cold status
Phase failure
protection
5 Any two phases Another phases >2 h Start from cold status
1 0.9
6 1.15 0 ≤2 h Start from heat status,
right after item No.5

Thermal Overload Relay Curve

 Technical Data Phase failure protection function Yes
Automatic & manual reset Yes
Temperature compensation Yes
Tripping indicator Yes
Test & stop pushbutton Yes
Mounting mode Plug-in Yes
Independent Yes
No. of contacts 1N/O+1N/C
Auxiliary contacts Rated current (A) (AC-15 220V) 2.73
Rated current (A) (AC-15 380V) 1.58
Rated current (A) (DC-13 220V) 0.2

Assembly with contactor

Model of overload relay

Code

Rated current (A)

Recommended fuse type (RT16 is recommended)

Contactor Matched

aM

gG

CR2-03

0301

0.1~0.16

0.25

2

CC1-09K CC1-12K

0302

0.16~0.25

0.5

2

0303

0.25~0.4

1

2

0304

0.4~0.63

1

2

0305

0.63~1

2

4

0306

1~1.6

2

4

0307

1.6~2.5

4

6

0308

2.5~4

6

10

0310

4~6

8

16

0312

5.5~8

12

20

0314

7~10

12

20

0316

9~13

16

25

CR2-13

1301

0.1~0.16

0.25

2

CC1-09 CC1-12 CC1-18 CC1-25 CC1-32

1302

0.16~0.25

0.5

2

1303

0.25~0.4

1

2

1304

0.4~0.63

1

2

1305

0.63~1

2

4

1306

1~1.6

2

4

1307

1.6~2.5

4

6

1308

2.5~4

6

10

1310

4~6

8

16

1312

5.5~8

12

20

1314

7~10

12

20

1316

9~13

16

25

1321

12~18

20

35

1322

17~25

25

50

CR2-23

2353

23~32

40

63

CC1-32

2355

30~40

40

80

CR2-33

3353

23~32

40

63

CC1-40 CC1-50 CC1-65 CC1-80 CC1-95

3355

30~40

40

100

3357

37~50

63

100

3359

48~65

63

100

3361

55~70

80

125

3363

63~80

80

125

3365

80~93

100

160

CR2-43

4366

80~104

125

200

CC1-115 CC1-150

4367

95~120

125

224

4368

110~150

160

250

CR2-53

5369

80~125

125

200

CC1-115 CC1-185 CC1-150 CC1-225

5370

100~160

160

250

5371

125~200

200

315

CR2-63

6372

160~250

250

400

CC1-185 CC1-400 CC1-225 CC1-500 CC1-265 CC1-630 CC1-330

6373

200~315

315

500

6374

250~400

400

630

6375

315~500

500

800

6376

400~630

630

800

Overall and mounting dimension (mm)

Wiring

 

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