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Supplementary Protectors

Supplementary Protectors

Supplementary protectors are devices designed to meet the UL 1077 requirements. They supplement circuit protection by providing over-current protection where branch circuit protection is already in place or not required.

Found 1,459 products

3CU25R
3CU25R$44.42
Altech Corp.

Supplementary Protector 25A, 3 Pole, 277V AC, C Trip, UL1077

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3CU40R
3CU40R$47.60
Altech Corp.

Supplementary Protector 40A, 3 Pole, 277V AC, C Trip, UL1077

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3CU50R
3CU50R$47.60
Altech Corp.

Supplementary Protector 50A, 3 Pole, 277V AC, C Trip, UL1077

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3DU3R
3DU3R$44.42
Altech Corp.

Supplementary Protector 3A, 3 Pole, 277V AC, D Trip, UL1077

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3DU6R
3DU6R$44.42
Altech Corp.

Supplementary Protector 6A, 3 Pole, 277V AC, D Trip, UL1077

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3DU8R
3DU8R$44.42
Altech Corp.

Supplementary Protector 8A, 3 Pole, 277V AC, D Trip, UL1077

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2CU60R
2CU60R$31.74
Altech Corp.

Supplementary Protector 60A, 2 Pole, 277V AC, C Trip, UL1077

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2DU5R
2DU5R$29.61
Altech Corp.

Supplementary Protector 5A, 2 Pole, 277V AC, D Trip, UL1077

Quick Quote

2DU6R
2DU6R$29.61
Altech Corp.

Supplementary Protector 6A, 2 Pole, 277V AC, D Trip, UL1077

Quick Quote

2DU13R
2DU13R$29.61
Altech Corp.

Supplementary Protector 13A, 2 Pole, 277V AC, D Trip, UL1077

Quick Quote

ItemManufacturerPriceStockDelivery
3CU25R

3CU25R

Supplementary Protector 25A, 3 Pole, 277V AC, C Trip, UL1077

Altech Corp.

$44.42

Quick Quote

3CU40R

3CU40R

Supplementary Protector 40A, 3 Pole, 277V AC, C Trip, UL1077

Altech Corp.

$47.60

Quick Quote

3CU50R

3CU50R

Supplementary Protector 50A, 3 Pole, 277V AC, C Trip, UL1077

Altech Corp.

$47.60

Quick Quote

3DU3R

3DU3R

Supplementary Protector 3A, 3 Pole, 277V AC, D Trip, UL1077

Altech Corp.

$44.42

Quick Quote

3DU6R

3DU6R

Supplementary Protector 6A, 3 Pole, 277V AC, D Trip, UL1077

Altech Corp.

$44.42

Quick Quote

3DU8R

3DU8R

Supplementary Protector 8A, 3 Pole, 277V AC, D Trip, UL1077

Altech Corp.

$44.42

Quick Quote

2CU60R

2CU60R

Supplementary Protector 60A, 2 Pole, 277V AC, C Trip, UL1077

Altech Corp.

$31.74

Quick Quote

2DU5R

2DU5R

Supplementary Protector 5A, 2 Pole, 277V AC, D Trip, UL1077

Altech Corp.

$29.61

Quick Quote

2DU6R

2DU6R

Supplementary Protector 6A, 2 Pole, 277V AC, D Trip, UL1077

Altech Corp.

$29.61

Quick Quote

2DU13R

2DU13R

Supplementary Protector 13A, 2 Pole, 277V AC, D Trip, UL1077

Altech Corp.

$29.61

Quick Quote