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2100 Centerline 709 2100 Centerline 509

CUTLER-HAMMER

9800 Unitrol F10 Unitrol Freedom Unitrol F2100 Unitrol

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System 89

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and tap boxes.

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BRANDS AVAILABLE

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Siemens-Furnas Overload Relay Heater Tables For Irrigation Pump Panels

Heaters Provide A Maximum Trip Rating Of 125% Of Minimum Motor Amperes For 40 C Motors (Service Factor 1.15). For Other Motors (Service Factor 1.0), Select The Next Lower Listed heater Catalog Number within The Designated Table Which Provides A maximum Trip Rating Of Approximately 115%

Overload Relays Do Not Provide Protection Against Short Circuits.

Bi-Metal Standard Trip

Full Load Amps

Model Number
Size 00, 0, 1 Size1-3/4 Size 2, 2-1/2 Size 3, 3-1/2 Size 4
Trip Class 20 - For Class 83, 84 and 87

0.38 - 0.40

0.41 - 0.43

0.44 - 0.48

0.49 - 0.53

0.54 - 0.57

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

E6

E7

E8

E9

E11

0.58 - 0.62

0.63 - 0.66

0.67 - 0.72

0.73 - 0.80

0.81 - 0.85

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

E12

E13

E14

E16

E17

0.86 - 0.92

0.93 - 0.99

1.00 - 1.08

1.09 - 1.23

1.24 - 1.27

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

E18

E19

E23

E24

E26

1.38 - 1.54

1.55 - 1.69

1.70 - 1.80

1.81 - 1.94

1.95 - 2.07

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

E27

E28

E29

E31

E32

2.08 - 2.26

2.27 - 2.54

2.55 - 2.69

2.70 - 2.88

2.89 - 3.14

---

2.27 - 2.54

2.55 - 2.69

2.70 - 2.88

2.89 - 3.14

---

---

---

---

--- 

---

---

---

---

---

---

---

---

---

---

E33

E34

E36

E37

E38

3.15 - 3.40

3.41 - 3.81

3.82 - 4.26

4.27 - 4.62

4.63 - 5.09

3.15 - 3.40

3.41 - 3.81

3.82 - 4.26

4.27 - 4.62

4.63 - 5.09

---

---

---

---

--- 

---

---

---

---

---

---

---

---

---

---

E39

E41

E42

E44

E46

5.10 - 5.61

5.62 - 5.91

5.92 - 6.15

6.16 - 6.70

6.71 - 7.54

5.10 - 5.61

5.62 - 5.91

5.92 - 6.15

6.16 - 6.70

6.71 - 7.54

---

---

---

---

--- 

---

---

---

---

---

---

---

---

---

---

E47

E48

E49

E50

E51

7.55 - 8.29

8.30 - 8.99

9.00 - 9.85

9.86 - 10.14

10.5 - 12.0

7.55 - 8.29

8.30 - 8.99

9.00 - 9.85

9.86 - 10.14

10.5 - 12.0

---

---

---

---

10.5 - 12.0

---

---

---

---

---

---

---

---

---

---

E52

E53

E54

E55

E56

12.1-13.6

13.7-15.6

15.7-17.0

17.1-18.4

18.5-19.4

12.1 - 13.6

13.7 - 15.6

15.7 - 17.0

17.1 - 18.4

18.5 - 19.4

12.1 - 13.6

13.7 - 15.6

15.7 - 17.0

17.1 - 18.4

18.5 - 19.4

---

---

---

---

--- 

---

---

---

---

---

E57

E60

E61

E62

E65

19.5-21.3

21.4-24.4

24.5-25.9

26.0-27.0

---

19.5 - 21.3

21.4 - 24.4

24.5 - 25.9

26.0 - 27.0

---

19.5 - 21.3

21.4 - 24.4

24.5 - 25.9

26.0 - 27.0

---

---

---

30.0 - 33.5

33.6 - 36.4

36.5 - 39.6

---

---

---

---

---

E66

E67

E69

E70

E71

---

---

---

---

---

30.3 - 33.3

33.4 - 36.0

---

---

---

30.3 - 33.3

33.4 - 36.0

---

35.4 - 41.5

41.6 - 45.0

---

39.7 - 43.6

43.7 - 46.5

46.6 - 51.6

51.7 - 54.4

---

---

---

---

---

E72

E73

E73A

E74

E76

---

---

---

---

---

---

---

---

---

---

45.1 - 52.3

52.4 - 55.7

55.8 - 60.0

---

---

54.5 - 58.0

58.1 - 63.0

63.1 - 67.7

67.8 - 72.4

---

---

---

---

---

---

E77

E78

E79

E80

E88

---

---

---

---

--- 

---

---

---

---

--- 

---

---

---

---

---

---

---

---

---

72.5 - 80.0

56.9 - 60.9

61.0 - 63.9

64.0 - 67.7

67.8 - 72.4

72.5 - 77.7

E89

E91

E92

E93

E94

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

80.1 - 88.1

88.2 - 91.5

91.6 - 96.8

96.9 - 99.0

99.1 - 108.0

77.8 - 85.9

86.0 - 91.9

92.0 - 96.7

96.8 - 105

---

E96

E97

E98

E99

E101

---

---

---

---

---

---

---

---

---

---

---

---

---

106-115

116-130

E102

E103

E104

[Back to Top]

Bi-Metal Quick Trip

Full Load Amps

Model Number
Size 00, 0, 1 Size1-3/4 Size 2, 2-1/2 Size 3, 3-1/2 Size 4
Trip Class 20 - For Class 83, 84 and 87

1.52 - 1.65

1.66 - 1.79

1.80 - 1.94

1.95 - 2.15

2.16 - 2.37

1.52 - 1.65

1.66 - 1.79

1.80 - 1.94

1.95 - 2.15

2.16 - 2.37

---

---

---

---

--- 

---

---

---

---

---

---

---

---

---

---

K21

K22

K23

K24

K26

2.38 - 2.56

2.57 - 2.87

2.88 - 3.13

3.14 - -3.37

3.38 - 3.72

2.38 - 2.56

2.57 - 2.87

2.88 - 3.13

3.14 - -3.37

3.38 - 3.72

---

---

---

---

--- 

---

---

---

---

---

---

---

---

---

---

K27

K28

K29

K31

K32

3.73 - 4.00

4.01 - 4.35

4.36 - 4.99

5.00 - 5.38

5.39 - 5.79

3.73 - 4.00

4.01 - 4.35

4.36 - 4.99

5.00 - 5.38

5.39 - 5.79

---

---

---

---

--- 

---

---

---

---

---

---

---

---

---

---

K33

K34

K36

K37

K39

5.80 - 6.43

6.44 - 6.83

6.84 - 7.83

7.84 - 8.23

8.24 - 9.59

5.80 - 6.43

6.44 - 6.83

6.84 - 7.83

7.84 - 8.23

8.24 - 9.59

---

---

---

---

--- 

---

---

---

---

---

---

---

---

---

---

K41

K42

K43

K49

K50

9.60 - 9.90

10.0 - 10.7

10.8 - 11.6

11.7 - 12.3

12.4 - 13.4

9.60 - 9.90

10.0 - 10.7

10.8 - 11.6

11.7 - 12.3

12.4 - 13.4

---

---

12.1 - 12.7

12.8 - 13.5

13.6 - 14.6

---

---

---

---

--- 

---

---

---

---

---

K52

K53

K54

K55

K56

13.5 - 14.2

14.3 - 15.1

15.2 - 17.5

17.6 - 18.7

18.8 - 20.0

13.5 - 14.2

14.3 - 15.1

15.2 - 17.5

17.6 - 18.7

18.8 - 20.0

14.7 - 15.9

16.0 - 16.9

17.0 - 18.2

18.3 - 19.5

19.6 - 20.9

---

---

---

---

---

---

---

---

---

---

K57

K58

K60

K61

K62

20.1 - 21.5

21.6 - 23.9

24.0 - 25.8

---

---

20.1 - 21.5

21.6 - 23.9

24.0 - 25.8

25.9 - 29.5

---

21.0 - 23.1

23.2 - 25.4

25.5 - 27.9

---

28.0 - 30.5

---

---

---

---

---

---

---

---

---

---

K63

K64

K67

K68

K69

---

---

---

---

---

29.6 - 32.7

32.8 - 36.0

---

---

---

30.6 - 33.5

33.6 - 37.2

37.3 - 40.7

40.8 - 43.0

43.1 - 47.9

36.8 - 40.0

40.1 -42.4

42.5 - 46.3

46.4 - 49.6

49.7 - 52.3

---

---

---

---

49.7 - 52.3

K70

K72

K73

K74

K75

---

---

---

---

---

---

---

---

---

---

48.0 - 52.7

52.8 - 58.3

58.4 - 60.0

---

---

52.4 - 57.5

57.6 - 63.9

64.0 -67.9

68.0 -74.3

74.4 -77.9

52.4 - 57.5

57.6 - 63.0

63.1 - 68.1

68.2 - 74.3

74.4 -79.9

K76

K77

K78

K83

K85

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

78.0 - 83.1

83.2 - 91.4

91.5 - 99.9

100.0 - 108.0

---

80.0 - 87.4

87.5 - 90.00

90.1 - 100.0

100.0 - 108.0

108.1 - 119.0

K86

K87

K88

K89

K90

---

---

---

---

---

---

---

---

---

---

---

---

119.1 - 130.0

---

---

K92

K94

K96

[Back to Top]

H "Standard Trip" Heater Elements for Metal Alloy  Relays

Full Load Motor Amps

Model
Number
Size 0 & 1 Size 1 3/4 Size 2 & 2 1/2 Size 3 &
3 1/2

0.33 - 0.36

0.37 - 0.41

0.42 - 0.46

0.47 - 0.52

0.53 - 0.58

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

H1

H2

H3

H4

H5

0.59 - 0.66

0.67 - 0.73

0.74 - 0.80

0.81 - 0.90

0.91 - 1.00

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

H6

H7

H8

H9

H10

1.01 - 1.11

1.12 - 1.27

1.28 - 1.42

1.43 - 1.56

1.57 - 1.71

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

H11

H12

H13

H14

H15

1.72 - 1.89

1.90 - 2.15

2.16 - 2.32

2.33 - 2.62

2.63 - 2.95

---

---

---

2.33 - 2.62

2.63 - 2.95

---

---

---

---

---

---

---

---

---

---

H16

H17

H18

H20

H21

2.96 - 3.20

3.21 - 3.60

3.61 - 4.00

4.01 - 4.48

4.49 - 4.95

2.96 - 3.20

3.21 - 3.60

3.61 - 4.00

4.01 - 4.48

4.49 - 4.95

---

---

---

---

---

---

---

---

---

---

H22

H23

H24

H25

H26

4.96 - 5.87

5.88 - 6.45

6.46 - 7.35

7.35 - 8.10

8.11 - 9.17

4.96 - 5.87

5.88 - 6.45

6.46 - 7.35

7.35 - 8.10

8.11 - 9.17

---

---

---

---

---

---

---

---

---

---

H28

H29

H30

H31

H32

9.18 - 10.0

10.1 - 11.5

11.6 - 12.2

12.3 - 13.8

13.9 - 14.4

9.18 - 10.0

10.1 - 11.5

11.6 - 12.2

12.3 - 13.8

13.9 - 14.4

---

12.4 - 13.5

13.6 - 14.3

14.4 - 15.6

15.7 - 17.8

---

---

---

---

---

H33

H34

H35

H36

H37

14.5 - 16.4

16.5 - 17.6

17.7 - 18.4

18.5 - 21.2

21.3 - 23.0

14.5 - 16.4

16.5 - 17.6

17.7 - 18.4

18.5 - 21.2

21.3 - 23.0

17.9 - 18.8

18.9 - 19.9

20.0 - 22.1

22.2 - 25.5

25.6 - 28.7

---

---

---

---

29.5 - 33.1

H38

H39

H40

H41

H42

23.1 - 24.9

25.0 - 26.0

---

---

---

23.1 - 24.9

25.0 - 26.0

28.6 - 32.7

32.8 - 36.0

---

28.8 - 33.0

33.1 - 37.0

37.1 - 43.1

43.2 - 46.9

47.0 - 50.4

33.2 - 35.1

35.2 - 40.7

40.8 - 44.3

44.4 - 49.9

50.0 - 54.9

H43

H44

H45

H46

H48

---

---

---

---

---

---

---

---

---

---

50.5 - 57.1

---

---

---

---

55.0 - 63.3

63.4 -72.8

72.8 - 79.3

79.4 - 86.3

86.4 - 90.0

H49

H50

H51

H52

H72

     

90.1 - 98.0

98.1 - 108.

H73

H83

 

[Back to Top]

 

H "Standard Trip" Heater Elements for Metal Alloy  Relays

Full Load Motor Amps

Model Number
Size 4 Size 4 1/2 & 5 Size 6

---

---

---

---

---

90.5 - 100

101 - 108

109 - 123

124 - 133

134 - 140

183-203

204-221

222-251

252-277

278-293

H15

H16

H17

H18

H19

---

---

---

---

---

141 - 156

157 - 167

168 - 183

184 - 195

184 - 195

294-327

328-351

352-385

386-427

---

H20

H21

H22

H23

H23

---

---

41.2 - 44.4

44.5 - 50.3

50.4 - 54.5

206 - 229

230 - 249

---

---

---

428-477

472-500

---

---

---

H24

H25

H45

H46

H47

54.6 - 60.4

60.5 - 66.2

66.3 - 70.5

70.6 - 75.5

75.6 - 86.5

---

---

---

---

---

---

---

---

---

---

H48

H49

H50

H51

H52

86.6 - 94.1

94.2 - 101

102 - 108

109 - 118

119 - 130

---

---

---

---

---

---

---

---

---

---

H76

H77

H78

H79

H85

 

[Back to Top]