Electrical Systems / Circuit Protection

BTicino M3 250F - thermal-magnetic Mccb 4P - Icu= 36kA - In= 63A — T734F63

BTicino · T734F63

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M3 250F - thermal-magnetic moulded case circuit breaker 4P - Icu= 36kA - In= 63A Manufacturer image is representative; the listed reference defines this variant. Manufacturer-selected illustration for T734F63; the visible label or rating may show another variant. The specifications and quotation refer to T734F63.

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BTicino T734F63 — manufacturer-selected representative product image; the illustrated label, rating or dimensions may differ.; manufacturer-selected-representative-variant illustration

Technical specifications

Manufacturer model: T734F63 Catalogue reference: BT-T734F63 EAN: 8005543684481 Manufacturer category: Low-voltage protection and power distribution/Megatiker moulded case circuit breakers/Thermal magnetic circuit breakers/M3 250 thermal magnetic Rated permanent current Iu: 63 A Rated voltage (Min-Max): 230-690 V Rated short-circuit breaking capacity Icu at 400 V, 50 Hz: 36 kA Overload release current setting (Min-Max): 50-63 A Adjustment range undelayed short-circuit release (Min-Max): 315-630 A Device construction: Built-in device fixed built-in technique Integrated earth fault protection: No Type of electrical connection of main circuit: Bolt connection Suitable for DIN rail (top hat rail) mounting: No DIN rail (top hat rail) mounting optional: No Number of auxiliary contacts as normally closed contact: 1 Number of auxiliary contacts as normally open contact: 1 Number of auxiliary contacts as change-over contact: 1 With switched-off indicator: Yes With integrated under voltage release: No Number of poles: 4 Position of connection for main current circuit: Front side Type of control element: Wing knob Complete device with protection unit: Yes Motor drive integrated: No Motor drive optional: Yes Degree of protection (IP): IP30 Width: 140 mm Height: 165 mm Depth: 112 mm degree of impact strength (IK): Not applicable Operating / setting temperature (Min-Max): -5-70 °C Storage temperature (Min-Max): -25-85 °C Voltage type: AC Frequency (Min-Max): 50-60 Hz Electric supplying direction: Not applicable Terminal marking indication: No Colour: Grey RAL-number: 7035 Terminals capacity (Min-Max): 2.5-120 mm² Cable nature for connection: Flexible or rigid Label space/information surface: No Product reference: https://www.bticino.com/products/bt-t734f63 Source: https://www.bticino.com/products/bt-t734f63 Checked: 2026-10-18 Manufacturer image source: https://catalogo.bticino.it/prodotto/soluzioni-per-la-distribuzione-dellenergia-bassa-tensione-interruttori-quadri-armadi-centralini-e-sistemi-di-cablaggio/interruttori-di-protezione-modulari-scatolati-aperti-e-sezionatori/megatiker---interruttori-scatolati/m3-250-magnetotermici/BTI-T734F63-IT

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