mtk thermal overload relays - franklin control s · mtk thermal overload relays the mtk,...

www.franklin-controls.com | 1.800.962.3787

MIRA ContaCtors and overload relays

MTK-32 MTK-63 MTK-95

MTK Thermal Overload Relays

The MTK, bimetal-style differential, overload relays are designed to protect AC circuits and motors against overloads, phase failure, long starting times and prolonged stalling of the motor.

Contactor connections

Trip indicator

Stop/Test button

Reset button/Selector(manual or automatic reset)

Auxiliary contacts (1NO & 1NC)

Downstream connections

Frame size/Part number

Protection cover

Adjustment dial

Tamper protection

thermal overload relays

MTK-150 MTK-225 MTK-400 MTK-800

Environment and Auxiliary CircuitEnvironment MTK-32~800

Standards IEC/EN 60947-1, IEC/EN 60947-4-1

Certifications CE, CSA, UL

Rated operation voltage Max. 690V

Rated insulation voltage 690V

Rated frequency 50/60Hz

Degree of protection (Conforming to IEC 60-529) IP20

Ambient air temperatureStorage -67 ~ +176°F (-55 ~ +80°C)

Operation -23 ~ +104°F (-5 ~ +40°C)

Mounting position Vertical plane

Shock resistance (Conforming to IEC 68-2-7) 15gn - 11ms

Vibration resistance (Conforming to IEC 68-2-6) 6G

Insulation strength (Conforming to IEC 255-5) 6kV

Rated impulse withstand voltage (Conforming to IEC 801-5) 6kV

Auxiliary Contacts Characteristics

Composition 1NO +1NC

Rated thermal current 5A

Rated operation current C600, R300

AC15 duty (C600)

120V 1.5A

240V 0.75A

380V 0.47A

480V 0.375A

500V 0.35A

600V 0.3A

DC13 duty (R300)120V 0.22A

240V 0.1A

Connecting conductor Size 18AWG /1mm2

Connection to screw clamp terminals Type 149/167°F (65/75°C) CU-wire

ThERMAl OvERlOAd RElAys



specifications

Frame size

Trip class

Model number

Number of poles

Rated operational voltage (Ue)

Rated insulation voltage (Ui)

Rated impulse voltage (Uimp)

Degree of protection (IEC-60 529)

Temperature compensation °F (°C)

Functions

Setting range (A)

Nominal current rating

Wire size

mm2 AWG

0.14 1 18

0.21 1 18

0.33 1 18

0.52 1 18

0.82 1 18

1.3 1 18

2.1 1 18

3.3 1 18

5 1 18

6.5 1 18

7.5 1~1.5 18~16

8.5 1~1.5 18~16

11 1.5~2.5 16~14

15 2.5 14~12

19 2.5~4 12~10

21.5 2.5~4 12~10

27 4~6 10

30 4~10 10~9

34 6~10 10~9

42 10 8

54 10 8

65 18~25 6~4

74 18~25 6~4

83 25~35 4~3

90 25~35 4~3

Contactor models

Separate mounting unit

40AF

10

MTK-32/3

3

690V

Up to 690V

6kV

IP20

23~140°F (-5~+40°C)

Trip indicating

Stop

Test

Manual/Automatic Reset

Overload adjustment range

0.1~0.16

0.16~0.25

0.25~0.4

0.4~0.63

0.63~1

1~1.6

1.6~2.5

2.5~4

4~6

5~8

6~9

7~10

9~13

12~18

16~22

18~25

22~32

-

28~40

-

-

-

-

-

-

MRC-9B, 12B, 18B, 22B, 32A, 40A

UZ-32

MTK Differential TypeThermal Overload Relays


65AF

10

MTK-63/3

3

690V

Up to 690V

6kV

IP20

23~140°F (-5~+40°C)

Trip indicating

Stop

Test

Manual/Automatic reset


-

-

-

-

-

-

-

-

4~6

5~8

6~9

7~10

9~13

12~18

16~22

18~25

22~32

24~36

-

34~50

45~65

-

-

-

-

MRC-50LA, 65LA

UZ-63

100AF

10

MTK-95/3

3

690V

Up to 690V

6kV

IP20

23~140°F (-5~+40°C)

Trip indicating

Stop

Test



-

-

-

-

-

-

-

-

-

-

-

-

9~13

12~18

16~22

18~25

-

24~36

28~40

34~50

45~65

54~75

63~85

70~95

80~100

MRC-75LA, 85LA, 100LA

UZ-95



specifications

150AF

10

MTK-150/3

3

690V

Up to 690V

6kV

IP20

23~140°F (-5~+40°C)

Trip indicating

Stop

Test



34~50

45~65

54~75

63~85

-

80~105

-

95~130

110~150

-

-

-

-

-

-

-

MRC-130LA, 150LA

UZ-150

Frame size

Trip class

Type

Number of poles

Rated operational voltage (Ue)

Rated insulation voltage (Ui)

Rated impulse voltage (Uimp)

Degree of protection (IEC 60 529)

Temperature compensation °F (°C)

Functions

Setting range (A)

Nominal current rating

Wire size

mm2 AWG

42 10 8

55 16 6

65 25 4

74 25 4

80 35 3

93 35 2

107 50 1

113 50 1

130 50 0

130 70 00

153 95 000

200 120 250

265 185 350

350 240 500

515 185 x 2 350 x 2

660 240 x 2 300 x 3

Contactor models

Separate mounting unit

MTK Differential TypeThermal Overload Relays


225AF

10

MTK-225/3

3

690V

Up to 690V

6kV

IP20

23~140°F (-5~+40°C)

Trip indicating

Stop

Test



-

-

-

-

65~100

-

85~125

-

-

100~160

120~185

160~240

-

-

-

-

MRC-185A, 225A

N/A

400AF

10

MTK-400/3

3

690V

Up to 690V

6kV

IP20

23~140°F (-5~+40°C)

Trip indicating

Stop

Test



-

-

-

-

-

-

85~125

-

-

100~160

120~185

160~240

200~330

260~400

-

-

MRC-330A, 400A

N/A

800AF

10

MTK-800/3

3

690V

Up to 690V

6kV

IP20

23~140°F (-5~+40°C)

Trip indicating

Stop

Test



-

-

-

-

-

-

-

-

-

-

-

-

200~300

260~400

400~600

520~800

MRC-630A, 800A

N/A



Ordering Information

Thermal Overload Relays and separate Mounting Units

Frame Size Contactor Models

Relay Setting Range Overload Part #

Overload Separate Mounting Units

A

40AF

MRC-9BMRC-12BMRC-18BMRC-22BMRC-32AMRC-40AMRD-9BMRD-12BMRD-18BMRD-22BMRD-32AMRD-40A

0.1~0.16 MTK-32/3-0.16

UZ-32

0.16~0.25 MTK-32/3-0.25

0.25~0.4 MTK-32/3-0.4

0.4~0.63 MTK-32/3-0.63

0.63~1 MTK-32/3-1

1~1.6 MTK-32/-3-1.6

1.6~2.5 MTK-32/3-2.5

2.5~4 MTK-32/3-4

4~6 MTK-32/3-6

5~8 MTK-32/3-8

6~9 MTK-32/3-9

7~10 MTK-32/3-10

9~13 MTK-32/3-13

12~18 MTK-32/3-18

16~22 MTK-32/3-22

18~25 MTK-32/3-25

22~32 MTK-32/3-32

65AF

MRC-50LAMRC-65LAMRD-50LAMRD-65LA

4~6 MTK-63/3-6L

UZ-63L

5~8 MTK-63/3-8L

6~9 MTK-63/3-9L

7~10 MTK-63/3-10L

9~13 MTK-63/3-13L

12~18 MTK-63/3-18L

16~22 MTK-63/3-22L

18~25 MTK-63/3-25L

24~36 MTK-63/3-36L

28~40 MTK-63/3-40L

34~50 MTK-63/3-50L

45~65 MTK-63/3-65L


Ordering Information

Thermal Overload Relays and separate Mounting Units

Frame Size Contactor Models

Relay Setting Range Overload Part #

Overload Separate Mounting Units

A

100AF

MRC-75LAMRC-85LAMRC-100LAMRD-75LAMRD-85LAMRD-100LA

7~10 MTK-95/3-10L

UZ-95L

9~13 MTK-95/3-13L

12~18 MTK-95/3-18L

16~22 MTK-95/3-22L

18~25 MTK-95/3-25L

24~36 MTK-95/3-36L

28~40 MTK-95/3-40L

34~50 MTK-95/3-50L

45~65 MTK-95/3-65L

54~75 MTK-95/3-75L

63~85 MTK-95/3-85L

70~95 MTK-95/3-95L

80~100 MTK-95/3-100L

150AF

MRC-130LAMRC-150LAMRD-130LAMRD-150LA

34~50 MTK-150/3-50L

UZ-150L

45~65 MTK-150/3-65L

54~75 MTK-150/3-75L

63~85 MTK-150/3-85L

80~105 MTK-150/3-105L

95~130 MTK-150/3-130L

110~150 MTK-150/3-150L

225AF MRC-185AMRC-225A

65~100 MTK-225/3-100

N/A

85~125 MTK-225/3-125

100~160 MTK-225/3-160

120~185 MTK-225/3-185

160~240 MTK-225/3-240


85~125 MTK-400/3-125

N/A

100~160 MTK-400/3-160

120~185 MTK-400/3-185

160~240 MTK-400/3-240

200~330 MTK-400/3-330

260~400 MTK-400/3-400


200~300 MTK-800/3-300

N/A260~400 MTK-800/3-400

400~600 MTK-800/3-600

520~800 MTK-800/3-800



3.11

2.17

1.420.86

2.87

4.17

2.83(3.91)

4.69(5.76) 1.85

1.61

3.62

3.94

3.70

2.76

1.77

1.04

5.35(6.78)

3.35(4.78)2.36

2.17

5.124.13

5.51

51

62

A1 A213 21 43 31

14 22 44 32

n

5

A1

Current

M

6

1 2

A2

1.770.46

M3.5

M4/M5

2.94

0.56

0.69

0.15 3.402.56

2.78

1.28

0.69

0.15 3.792.26

3.171.22

2.17

0.55

3.17

0.71

M3.5

M6

0.21

2.75

0.67

3.83

0.89

M3.5

M8

0.24

3.56

1.65

0.69

0.15 4.192.55

95-NC-96

2T1 4T2 6T3

97-NO-98

95-NC-96

2T1 4T2 6T397-NO-98

95-NC-96

2T1 4T2 6T3

97-NO-98

Aux terminal

Main terminal

Aux terminal

Main terminal

Aux terminal

Main terminal

(Main terminal)

(Aux terminal)

(Main terminal)

(Aux terminal)

(Main terminal)

(Aux terminal)

Overload Relays (40AF~100AF)

MTK-32

MTK-63

MTK-95

0.37lbs

0.67lbs

1.04lbs

[in]


MTK-150

MTK-225

MTK-400

MTK-800

Overload Relays (150AF~800AF)

12.60

9.84

14.17

1.57

6.30

7.05

9.06

19.6

9

20.8

7

7.87

6.30

M16(Main screw)

1.851.85

M10(Main screw)

2.58

4.47

7.24

3.35

5

7.80

4.76

4.43

5.94M12(Main screw)

5.63

6.73

M8(Main screw)

2.64 2.40

4.45

5.79

5.55

3.74

4.29

147

[in]

3.74

1.320.95M4(Mounting hole)

5.51

3.353.66

1.383.72 0.13

2.91

4.28

2.70

4.70

3.01

1.99

3.90

4.77

2.72

1.97

4

2.76

2.36

3.51

1.56

1.28

2.78

1.770.46 0.56

1.00

M4(Mounting hole)

4.23

2.17

1.570.710.55

1.66

M4/M5(34A)

M6

M4(Mounting hole)

3.72

5

4.72

4.33

0.67 0.89

1.76

M4(Mounting hole)

(Main terminal)

(Main terminal)

M8(Main Screw)

M8(Main terminal)

Main terminal

Aux terminal

Aux terminal

Aux terminal

Main terminal

Main terminal

Main terminal

Main terminal

Aux terminal

Main terminal

Main terminal

0.15lb

0.30lb

0.51lb

0.63lb

1.54lbs

5.51lbs

5.73lbs

25.35lbs

[in]



Overload Relays (separate Mount)

UZ-32

UZ-63

UZ-95

UZ-150

12.60

9.84

14.17

1.57

6.30

7.05

9.06

19.6

9

20.8

7

7.87

6.30

M16(Main screw)

1.851.85

M10(Main screw)

2.58

4.47

7.24

3.35

5

7.80

4.76

4.43

5.94M12(Main screw)

5.63

6.73

M8(Main screw)

2.64 2.40

4.45

5.79

5.55

3.74

4.29

3.74

1.320.95M4(Mounting hole)

5.51

3.353.66

1.383.72 0.13

2.91

4.28

2.70

4.70

3.01

1.99

3.90

4.77

2.72

1.97

4

2.76

2.36

3.51

1.56

1.28

2.78

1.770.46 0.56

1.00

M4(Mounting hole)

4.23

2.17

1.570.710.55

1.66

M4/M5(34A)

M6

M4(Mounting hole)

3.72

5

4.72

4.33

0.67 0.89

1.76

M4(Mounting hole)

(Main terminal)

(Main terminal)

M8(Main Screw)

M8(Main terminal)

Main terminal

Aux terminal

Aux terminal

Aux terminal

Main terminal

Main terminal

Main terminal

Main terminal

Aux terminal

Main terminal

Main terminal

0.15lbs

0.30lbs

0.51lbs

0.63lbs

[in]


Certifications

Type Type Approvals CertificatesCertificate - IEC UL CSA GB IEC KEPIC

Mark and Name

Korea Europe U.S.A & Canada Canada Canada Netherlands Denmark Korea

Mira Contactors

MRC-9A

MRC-12A

MRC-18A

MRC-9B

MRC-12B

MRC-18B

MRC-22B

MRC-32B

MRC-40A

MRC-50LA

MRC-65LA

MRC-75LA

MRC-85LA

MRC-100LA

MRC-130LA

MRC-150LA

MRC-185A

MRC-225A

MRC-265A

MRC-330A

MRC-400A

MRC-500A

MRC-630A

MRC-800A

Thermal Overload

Relays Differential

MTK-12/3

MTK-32/3

MTK-63/3

MTK-95/3

MTK-150/3

MTK-225/3

MTK-400/3

MTK-800/3

CE U.S.A & cUL CSA CCC


MIRA COnTACTORs And OvERlOAd RElAys

Marine certifications

Type Type ApprovalsCertificate

Mark and Name

Korea UK France Germany Norway U.S.A. Japan Italy

Mira Contactors

MRC-9A

MRC-12A

MRC-18A

MRC-9B

MRC-12B

MRC-18B

MRC-22B

MRC-32A

MRC-40A

MRC-50A

MRC-65A

MRC-75A

MRC-85A

MRC-100A

MRC-130A

MRC-150A

MRC-185A

MRC-225A

MRC-265A

MRC-330A

MRC-400A

MRC-500A

MRC-630A

MRC-800A

Thermal Overload

Relays Differential

MTK-12/3

MTK-32/3

MTK-63/3

MTK-95/3

MTK-150/3

MTK-225/3

MTK-400/3

MTK-800/3

KR LR BV GL DNV ABS NK1867

mtk thermal overload relays - franklin control s · mtk thermal overload relays the mtk,...

Documents