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Circuit Protection

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Types of Circuit Protection

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Part #

Circuit Breakers 30A D Characteristic UL 508 3 POLE

3D30UM
Altech
1: 73,66 €
7In Stock

Mfr. Part No.
3D30UM

Mouser Part No
845-3D30UM

Altech

Circuit Breakers 30A D Characteristic UL 508 3 POLE

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Datasheet

7In Stock

73,66 €

66,12 €

61,39 €

56,95 €

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Min.: 1
Mult.: 1

Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489

3D3UL
Altech
1: 113,27 €
1In Stock

Mfr. Part No.
3D3UL

Mouser Part No
845-3D3UL

Altech

Circuit Breakers 3A, D CHAR, 3POLE 480Y/277VAC,UL489

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Datasheet

1In Stock

113,27 €

86,50 €

84,89 €

79,13 €

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Min.: 1
Mult.: 1

Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508

3E20UM
Altech
1: 82,41 €
4In Stock

Mfr. Part No.
3E20UM

Mouser Part No
845-3E20UM

Altech

Circuit Breakers 20A CRT BRKR ECHAR 277VAC UL508

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Datasheet

4In Stock

82,41 €

61,39 €

61,00 €

57,17 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories 3 Ph Busbar 99mm 6Pin, 115A

3P16UL3/6
Altech
1: 17,29 €
30In Stock Restricted Availability
84Expected 11/23/2026

Mfr. Part No.
3P16UL3/6

Mouser Part No
845-3P16UL3/6

Altech

Circuit Breaker Accessories 3 Ph Busbar 99mm 6Pin, 115A

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Datasheet

30In Stock

84Expected 11/23/2026

17,29 €

16,94 €

16,79 €

15,56 €

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Min.: 1
Mult.: 1

Restricted Availability

Circuit Breaker Accessories 3 Ph Busbar 101.8mm 6Pin, 2x3pole, 80A

3P18U3/6
Altech
1: 34,38 €
2In Stock

Mfr. Part No.
3P18U3/6

Mouser Part No
845-3P18U3/6

Altech

Circuit Breaker Accessories 3 Ph Busbar 101.8mm 6Pin, 2x3pole, 80A

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2In Stock

34,38 €

24,15 €

23,25 €

22,53 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar,3 Ph, 57 PINS 19X3 POLE

3P25U3/57
Altech
1: 139,54 €
9In Stock

Mfr. Part No.
3P25U3/57

Mouser Part No
845-3P25U3/57

Altech

Circuit Breaker Accessories Busbar,3 Ph, 57 PINS 19X3 POLE

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Datasheet

9In Stock

139,54 €

117,49 €

96,50 €

89,73 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

3P25U3/12
Altech
1: 39,47 €
5In Stock

Mfr. Part No.
3P25U3/12

Mouser Part No
845-3P25U312

Altech

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

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Datasheet

5In Stock

39,47 €

37,59 €

36,45 €

35,43 €

Quote

Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

3P25U3/15
Altech
1: 59,24 €
6In Stock

Mfr. Part No.
3P25U3/15

Mouser Part No
845-3P25U315

Altech

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

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6In Stock

59,24 €

50,93 €

42,61 €

41,63 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

3P25U3/6
Altech
1: 33,20 €
20In Stock
18Expected 9/11/2026

Mfr. Part No.
3P25U3/6

Mouser Part No
845-3P25U36

Altech

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

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20In Stock

18Expected 9/11/2026

33,20 €

31,71 €

30,87 €

29,96 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

3P25U3/9
Altech
1: 50,22 €
4In Stock

Mfr. Part No.
3P25U3/9

Mouser Part No
845-3P25U39

Altech

Circuit Breaker Accessories Busbar,3 Phase,25sqmm,PIN Type

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4In Stock

50,22 €

36,35 €

36,11 €

35,16 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Insul Cap 3 pr strip for 1P/2P/3PUL

BRUL
Altech
1: 2,05 €
120In Stock

Mfr. Part No.
BRUL

Mouser Part No
845-BRUL

Altech

Circuit Breaker Accessories Insul Cap 3 pr strip for 1P/2P/3PUL

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Datasheet

120In Stock

2,05 €

2,04 €

1,93 €

1,70 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories V-EA MCB Finger Protection

BS.UL
Altech
1: 0,645 €
73In Stock

Mfr. Part No.
BS.UL

Mouser Part No
845-BSUL

Altech

Circuit Breaker Accessories V-EA MCB Finger Protection

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Datasheet

73In Stock

0,645 €

0,542 €

0,521 €

Min.: 1
Mult.: 1

Fuse Holder 5x20 mm BU

CF4U/BU
Altech
1: 5,59 €
922In Stock

Mfr. Part No.
CF4U/BU

Mouser Part No
845-CF4U/BU

Altech

Fuse Holder 5x20 mm BU

Datasheet

922In Stock

5,59 €

4,99 €

4,82 €

3,74 €

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Min.: 1
Mult.: 1

Fuse Holder FUSE BLOCK 8X66X88mm

DDFL4ULR
Altech
1: 11,79 €
38In Stock

Mfr. Part No.
DDFL4ULR

Mouser Part No
845-DDFL4ULR

Altech

Fuse Holder FUSE BLOCK 8X66X88mm

Datasheet

38In Stock

11,79 €

11,00 €

10,50 €

6,67 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Mounting Screw 34mm pack of 10

E983419
Altech
1: 13,77 €
12In Stock

Mfr. Part No.
E983419

Mouser Part No
845-E983419

Altech

Circuit Breaker Accessories Mounting Screw 34mm pack of 10

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Datasheet

12In Stock

13,77 €

11,89 €

10,90 €

9,42 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Shunt Trip FA110UL,.25A/110V

FA110UL
Altech
1: 103,63 €
2In Stock

Mfr. Part No.
FA110UL

Mouser Part No
845-FA110UL

Altech

Circuit Breaker Accessories Shunt Trip FA110UL,.25A/110V

Datasheet

2In Stock

103,63 €

78,34 €

76,62 €

71,63 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories 110-380V Shunt,Trip

FA110UM
Altech
1: 71,14 €
1In Stock

Mfr. Part No.
FA110UM

Mouser Part No
845-FA110UM

Altech

Circuit Breaker Accessories 110-380V Shunt,Trip

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Datasheet

1In Stock

71,14 €

52,37 €

50,06 €

46,13 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories Shunt Trip FA24UL,0.6A/24V

FA24UL
Altech
1: 103,63 €
4In Stock

Mfr. Part No.
FA24UL

Mouser Part No
845-FA24UL

Altech

Circuit Breaker Accessories Shunt Trip FA24UL,0.6A/24V

Datasheet

4In Stock

103,63 €

78,34 €

76,62 €

71,63 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories 10A 220V SWITCH

H11UM
Altech
1: 31,61 €
3In Stock

Mfr. Part No.
H11UM

Mouser Part No
845-H11UM

Altech

Circuit Breaker Accessories 10A 220V SWITCH

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Datasheet

3In Stock

31,61 €

23,95 €

23,92 €

23,37 €

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Min.: 1
Mult.: 1

Circuit Breakers MA10UM, 6.3-10A, 3p

MA10UM
Altech
1: 156,96 €
2In Stock

Mfr. Part No.
MA10UM

Mouser Part No
845-MA10UM

Altech

Circuit Breakers MA10UM, 6.3-10A, 3p

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Datasheet

2In Stock

156,96 €

130,15 €

121,29 €

99,88 €

92,75 €

Min.: 1
Mult.: 1

Circuit Breakers N32UL, Neutral Pole, UL489

N32UL
Altech
1: 50,66 €
1In Stock

Mfr. Part No.
N32UL

Mouser Part No
845-N32UL

Altech

Circuit Breakers N32UL, Neutral Pole, UL489

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Datasheet

1In Stock

50,66 €

42,02 €

38,76 €

33,34 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories ADD-ON NEUTRAL POLE, UM SERIES

N63UM
Altech
1: 27,38 €
9In Stock

Mfr. Part No.
N63UM

Mouser Part No
845-N63UM

Altech

Circuit Breaker Accessories ADD-ON NEUTRAL POLE, UM SERIES

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Datasheet

9In Stock

27,38 €

26,38 €

25,52 €

24,77 €

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Min.: 1
Mult.: 1

Circuit Breaker Accessories BUS BAR SUPPT W/SCRW

NES
Altech
1: 1,67 €
44In Stock

Mfr. Part No.
NES

Mouser Part No
845-NES

Altech

Circuit Breaker Accessories BUS BAR SUPPT W/SCRW

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Datasheet

44In Stock

1,67 €

1,63 €

1,57 €

0,602 €

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories MODULAR DIR PWR FEED FOR 1-3 PH BUSBAR

P50UB
Altech
1: 7,38 €
106In Stock Restricted Availability

Mfr. Part No.
P50UB

Mouser Part No
845-P50UB

Altech

Circuit Breaker Accessories MODULAR DIR PWR FEED FOR 1-3 PH BUSBAR

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Datasheet

106In Stock

7,38 €

7,27 €

6,70 €

6,46 €

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Min.: 1
Mult.: 1

Restricted Availability

Circuit Breaker Accessories Modular Dir Pwr Feed for 1P/2P/3PUL

P50ULB
Altech
1: 17,41 €
20In Stock Restricted Availability
144Expected 9/11/2026

Mfr. Part No.
P50ULB

Mouser Part No
845-P50ULB

Altech

Circuit Breaker Accessories Modular Dir Pwr Feed for 1P/2P/3PUL

Learn More

Datasheet

20In Stock

144Expected 9/11/2026

17,41 €

15,64 €

14,67 €

12,23 €

View

Min.: 1
Mult.: 1

Restricted Availability

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