Photo 1 of 1
BTicino
M3 250F - thermal-magnetic Mccb with residual current protection integrated 4P - Icu= 36kA - In= 250A
Electrical Systems / Circuit Protection
- Power
- Not specified
- CCT
- Not specified
- IP rating
- IP30
- Dimming
- Not specified
Collect your selections and send one enquiry. No account needed.
Collect products for your project. Our team confirms pricing, availability and compatibility.
Model / reference · T734F250D
A closer look
Design & purpose
M3 250F - thermal-magnetic moulded case circuit breaker with residual current protection integrated 4P - Icu= 36kA - In= 250A
The details
Technical specifications
Dimensions
- Width
- 140 mm
- Height
- 165 mm
- Depth
- 112 mm
Electrical & dimming
- Rated permanent current Iu
- 250 A
- Rated voltage (Min-Max)
- 230-690 V
- Overload release current setting (Min-Max)
- 200-250 A
- With integrated under voltage release
- No
- Position of connection for main current circuit
- Front side
- Type of control element
- Wing knob
- Voltage type
- AC
- Frequency (Min-Max)
- 50-60 Hz
- Electric supplying direction
- Not applicable
Materials
- Colour
- Grey
Installation & protection
- Integrated earth fault protection
- Yes
- Suitable for DIN rail (top hat rail) mounting
- No
- DIN rail (top hat rail) mounting optional
- No
- Complete device with protection unit
- Yes
- Degree of protection (IP)
- IP30
- degree of impact strength (IK)
- Not applicable
- Operating / setting temperature (Min-Max)
- -5-70 °C
- Storage temperature (Min-Max)
- -25-85 °C
Other details
- Manufacturer model
- T734F250D
- Catalogue reference
- BT-T734F250D
- EAN
- 8005543684368
- Manufacturer category
- Low-voltage protection and power distribution/Megatiker moulded case circuit breakers/Thermal magnetic circuit breakers/M3 250 thermal magnetic with earth leakage protection
- Adjustment range undelayed short-circuit release (Min-Max)
- 1250-2500 A
- Device construction
- Built-in device fixed built-in technique
- Type of electrical connection of main circuit
- Bolt connection
- Number of auxiliary contacts as normally closed contact
- 2
- Number of auxiliary contacts as normally open contact
- 2
- Number of auxiliary contacts as change-over contact
- 2
- With switched-off indicator
- Yes
- Number of poles
- 4
- Motor drive integrated
- No
- Motor drive optional
- Yes
- Terminal marking indication
- No
- 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-t734f250d
- Source
- https://www.bticino.com/products/bt-t734f250d
- 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-con-protezione-differenziale/BTI-T734F250D-IT
Rated short-circuit breaking capacity Icu at 400 V, 50 Hz: 36 kA
For your project
Downloads
BTicino
More for your space
Compare these designs as you build your project selection.
Compare products and plan your project
Compare suitable products and discuss your selection with our team. Confirm specifications and compatibility before ordering.
Interested in this product?
Contact us for availability, pricing and help with your project.
Or email us directly