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3 Pole MCCBs

Three pole MCCBs for three phase circuits, from 20 A to 800 A, with the breaking capacity and trip unit to suit the board.

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49 productsshowing 1-36

Products

S160-NJ 20A 3-Pole MCCB, TemBreak 2 160A Frame, 30kA (326837)

Terasaki · 326837

20 A · 3 pole · 160 A · 30 kA

£293.10 ex VAT£351.72 inc VAT

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S160-SCJ 25A 3-Pole MCCB, TemBreak 2 Lite 160A Frame, 25kA (591983)

Terasaki · 591983

25 A · 3 pole · 160 A · 25 kA

£218.07 ex VAT£261.68 inc VAT

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S160-NJ 32A 3-Pole MCCB, TemBreak 2 160A Frame, 30kA (326844)

Terasaki · 326844

32 A · 3 pole · 160 A · 30 kA

£293.10 ex VAT£351.72 inc VAT

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S160-SCJ 32A 3-Pole MCCB, TemBreak 2 Lite 160A Frame, 25kA (598890)

Terasaki · 598890

32 A · 3 pole · 160 A · 25 kA

£218.07 ex VAT£261.68 inc VAT

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S250-NE 40A 3-Pole Electronic MCCB, TemBreak 2 250A Frame, 36kA (331701)

Terasaki · 331701

40 A · 3 pole · 250 A · 36 kA

£432.50 ex VAT£519.00 inc VAT

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S250-GE 40A 3-Pole Electronic MCCB, TemBreak 2 250A Frame, 65kA (332005)

Terasaki · 332005

40 A · 3 pole · 250 A · 65 kA

£465.14 ex VAT£558.17 inc VAT

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S160-SCJ 40A 3-Pole MCCB, TemBreak 2 Lite 160A Frame, 25kA (591990)

Terasaki · 591990

40 A · 3 pole · 160 A · 25 kA

£218.07 ex VAT£261.68 inc VAT

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S160-NJ 50A 3-Pole MCCB, TemBreak 2 160A Frame, 36kA (326851)

Terasaki · 326851

50 A · 3 pole · 160 A · 36 kA

£293.10 ex VAT£351.72 inc VAT

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S160-GJ 50A 3-Pole MCCB, TemBreak 2 160A Frame, 65kA (327025)

Terasaki · 327025

50 A · 3 pole · 160 A · 65 kA

£304.80 ex VAT£365.76 inc VAT

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S250-SJ 50A 3-Pole MCCB, TemBreak 2 Lite 250A Frame, 40kA (933561)

Terasaki · 933561

50 A · 3 pole · 250 A · 40 kA

£282.99 ex VAT£339.59 inc VAT

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S160-NJ 63A 3-Pole MCCB, TemBreak 2 160A Frame, 36kA (326868)

Terasaki · 326868

63 A · 3 pole · 160 A · 36 kA

£293.10 ex VAT£351.72 inc VAT

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S160-GJ 63A 3-Pole MCCB, TemBreak 2 160A Frame, 65kA (327032)

Terasaki · 327032

63 A · 3 pole · 160 A · 65 kA

£304.80 ex VAT£365.76 inc VAT

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S160-SCJ 63A 3-Pole MCCB, TemBreak 2 Lite 160A Frame, 25kA (592003)

Terasaki · 592003

63 A · 3 pole · 160 A · 25 kA

£218.07 ex VAT£261.68 inc VAT

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S250-SJ 63A 3-Pole MCCB, TemBreak 2 Lite 250A Frame, 40kA (933578)

Terasaki · 933578

63 A · 3 pole · 250 A · 40 kA

£282.99 ex VAT£339.59 inc VAT

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S160-SCJ 80A 3-Pole MCCB, TemBreak 2 Lite 160A Frame, 25kA (592010)

Terasaki · 592010

80 A · 3 pole · 160 A · 25 kA

£218.07 ex VAT£261.68 inc VAT

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S160-NJ 100A 3-Pole MCCB, TemBreak 2 160A Frame, 36kA (326875)

Terasaki · 326875

100 A · 3 pole · 160 A · 36 kA

£356.41 ex VAT£427.69 inc VAT

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S160-GJ 100A 3-Pole MCCB, TemBreak 2 160A Frame, 65kA (327049)

Terasaki · 327049

100 A · 3 pole · 160 A · 65 kA

£375.17 ex VAT£450.20 inc VAT

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S160-SCJ 100A 3-Pole MCCB, TemBreak 2 Lite 160A Frame, 25kA (592027)

Terasaki · 592027

100 A · 3 pole · 160 A · 25 kA

£235.22 ex VAT£282.26 inc VAT

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Showing 36 of 49

Buying guide

A three pole MCCB protects a three phase circuit against overload and short circuit and gives a point of isolation in the board. The Terasaki range in the shop covers the TemBreak 2 Lite devices used as outgoing ways on Resilience Standard boards and the TemBreak 2 devices used on Resilience Plus boards and as incomers, from 20 A on the 160 A frame to 800 A on the 1250 A frame.

Filter by rated current, frame size, breaking capacity and trip unit. Every product page lists the accessories that fit the device - shunt trips, under-voltage releases, auxiliary and alarm switches, terminal covers and locks - and links to the Panel Builder.

Questions

What breaking capacity do I need?
At least the prospective fault current at the board. The NJ types give 36 kA at 415 V and the GJ types 65 kA; the TemBreak 2 Lite types give 25 kA to 40 kA for lighter duties.
What is the frame size?
The ampere frame is the size of the breaker body - 160 AF, 250 AF, 400 AF or 800 AF. Each frame covers a span of rated currents, and the terminal covers and accessories are made for a frame.
Thermal-magnetic or electronic?
Thermal-magnetic trip units are set with dials and suit most distribution circuits. Electronic trip units add adjustable long-time, short-time and instantaneous settings for closer discrimination.