
Eaton NZMB2-M125
Pricing
Request a quote
We reply within 24 hours
Overview
Eaton NZMB2-M125 is listed under Electrical Components / Motor Protection Circuit Breakers. Sales unit: pcs; Eaton catalogue number: 265715; Depth: 149 mm; Height: 184 mm; Width: 105 mm; Weight: 2.35 kg.
Technical Specifications
- Manufacturer part number (MPN)
- NZMB2-M125
- EAN / GTIN
- 4015082657154
- Sales unit
- pcs
- Eaton catalogue number
- 265715
- Depth
- 149 mm
- Height
- 184 mm
- Width
- 105 mm
- Weight
- 2.35 kg
- Compliances
- RoHS conform
- Certifications
- IEC; IEC/EN 60947
- Functions
- Motor protection
- Amperage Rating
- 125 A
- Application
- Use in unearthed supply systems at 440 V
- Circuit breaker frame type
- NZM2
- Fitted with
- Thermal protection
- Number of poles
- Three-pole
- Release system
- Thermomagnetic release
- Type
- Circuit breaker
- Ambient operating temperature - max
- 70 °C
- Ambient storage temperature - max
- 70 °C
- Ambient operating temperature - min
- -25 °C
- Equipment heat dissipation, current-dependent
- 27.61 W
- Rated operational current for specified heat dissipation (In)
- 125 A
- Direction of incoming supply
- As required
- Electrical connection type of main circuit
- Screw connection
- Handle type
- Rocker lever
- Instantaneous current setting (Ii) - max
- 1750 A
- Instantaneous current setting (Ii) - min
- 1000 A
- Isolation
- 500 V AC (between auxiliary contacts and main contacts); 300 V AC (between the auxiliary contacts)
- Lifespan, electrical
- 10000 operations at 400 V AC-1; 7500 operations at 415 V AC-1
- Number of operations per hour - max
- 120
- Overload current setting (Ir) - max
- 125 A
- Overload current setting (Ir) - min
- 100 A
- Overvoltage category
- III
- Pollution degree
- 3
- Rated impulse withstand voltage (Uimp) at auxiliary contacts
- 6000 V
- Rated impulse withstand voltage (Uimp) at main contacts
- 8000 V
- Rated insulation voltage (Ui)
- 690 V
- Rated operating power at AC-3
- 230 V
- 37 kW
- Rated operating power at AC-3
- 400 V
- 55 kW
- Rated operational current
- 99 A (400 V AC-3)
- Rated short-circuit making capacity Icm at 240 V
- 50/60 Hz
- 63 kA
- Rated short-circuit making capacity Icm at 400/415 V
- 50/60 Hz
- 53 kA
- Rated short-circuit making capacity Icm at 440 V
- Short-circuit release non-delayed setting - max
- 1750 A
- Short-circuit release non-delayed setting - min
- 1000 A
- Short-circuit total breaktime
- < 10 ms
- Utilization category
- A (IEC/EN 60947-2)
- Voltage rating
- 440 V - 440 V
- Climatic proofing
- Damp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78
- Degree of protection
- IP20 (basic degree of protection, in the operating controls area); IP20
- Degree of protection (IP), front side
- IP40 (with insulating surround); IP66 (with door coupling rotary handle)
- Degree of protection (terminations)
- IP10 (tunnel terminal); IP00 (terminations, phase insulator and strip terminal)
- Lifespan, mechanical
- 20000 operations
- Mounting Method
- Fixed; Built-in device fixed built-in technique
- Protection against direct contact
- Finger and back-of-hand proof to VDE 0106 part 100
- Shock resistance
- 20 g (half-sinusoidal shock 20 ms)
- Switch off technique
- Thermomagnetic
- Optional terminals
- Box terminal. Connection on rear. Tunnel terminal
- Standard terminals
- Screw terminal
- Terminal capacity (aluminum solid conductor/cable)
- 16 mm² (1x) at tunnel terminal; 10 mm² - 16 mm² (2x) direct at switch rear-side connection; 10 mm² - 16 mm² (1x) direct at switch rear-side connection
- Terminal capacity (aluminum stranded conductor/cable)
- 25 mm² - 50 mm² (1x) direct at switch rear-side connection; 25 mm² - 185 mm² (1x) at tunnel terminal; 25 mm² - 50 mm² (2x) direct at switch rear-side connection
- Terminal capacity (control cable)
- 0.75 mm² - 2.5 mm² (1x); 0.75 mm² - 1.5 mm² (2x)
- Terminal capacity (copper busbar)
- Min. 16 mm x 5 mm direct at switch rear-side connection; Max. 24 mm x 8 mm direct at switch rear-side connection; M8 at rear-side screw connection
- Terminal capacity (copper solid conductor/cable)
- 10 mm² - 16 mm² (1x) at box terminal; 16 mm² (1x) at tunnel terminal; 6 mm² - 16 mm² (2x) at box terminal; 10 mm² - 16 mm² (1x) direct at switch rear-side connection; 6 mm² - 16 mm² (2x) direct at switch rear-side connection
- Terminal capacity (copper stranded conductor/cable)
- 25 mm² - 185 mm² (1x) at box terminal; 25 mm² - 185 mm² (1x) at 1-hole tunnel terminal; 25 mm² - 70 mm² (2x) at box terminal; 25 mm² - 70 mm² (2x) direct at switch rear-side connection; 25 mm² - 185 mm² (1x) direct at switch rear-side connection
- Terminal capacity (copper strip)
- Max. 10 segments of 24 mm x 0.8 mm at rear-side connection (punched); Min. 2 segments of 9 mm x 0.8 mm at box terminal; Max. 8 segments of 24 mm x 1 mm (2x) at box terminal; Min. 2 segements of 16 mm x 0.8 mm at rear-side connection (punched); Max. 10 segments of 16 mm x 0.8 mm at box terminal
- Rated operation power at AC-3, 400 V
- 55 kW
- With integrated auxiliary switch
- No
- Rated permanent current Iu
- 125 A
- With integrated under voltage release
- No
- Rated operating voltage
- 440 V
- Overload release current setting
- 100–125 A
- Power loss
- 27.6 W
- With thermal overload protection
- Yes
- Type of electrical connection of main circuit
- Screw connection
- Type of control element
- Rocker lever
- Rated operation power at AC-3, 230 V
- 37 kW
- Rated short-circuit breaking capacity Icu at 400 V, AC
- 18.5 kA
- Adjustment range undelayed short-circuit release
- 1000–1750 A
- Phase failure sensitive
- No
- Device construction
- Built-in device fixed built-in technique
- Country of origin
- Romania
Standards & Compliance
- HS Code
- 8536.20
Cross References
- EAN 4015082657154
- SAP 1000289214
- Code 847462
Product Documentation
More from Eaton

Eaton
Insulated parts 30X15X1150
XNNS-30X15

Eaton
Eaton FAZ-K13/1N Miniature Circuit Breaker — 1P+N, Type K, 13 A, 15 kA

Eaton
STYREKONT. 4S 230V/50 240V/60 (DILA-40(230V50HZ,240V60HZ))

Eaton
Rear Wall xE Light (XLSR52085)

Eaton
Eaton NZMB1-A80-SVE Molded-Case Circuit Breaker 3-Pole 80A 25KA

Eaton
Coverfester for CI (001924)

Eaton
Eaton NZMH3-A320-BT Molded-Case Circuit Breaker 3-Pole 320A 150KA

Eaton
Contactor DILM12-01(24V50/60HZ)-PI
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy NZMB2-M125?
- NZMB2-M125 can be ordered from cballast.com as a Eaton catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Eaton product?
- The manufacturer part number is NZMB2-M125.
- What is the HS code for NZMB2-M125?
- The customs tariff (HS) code for NZMB2-M125 is 8536.20.
- Who manufactures NZMB2-M125?
- NZMB2-M125 is a Eaton product in the Electrical Components range.
- Is a datasheet available for NZMB2-M125?
- Yes — the NZMB2-M125 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for NZMB2-M125?
- The minimum order quantity is 1.
- Is NZMB2-M125 available?
- Yes — NZMB2-M125 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
