
Eaton
Circuit breaker NZM4 PX N 3P 800A TAZ
Part number189612EAN / GTIN4015081875597HS code8536.90
Electrical Components
Moulded Case Circuit Breakers
MOQ:1
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Product Description
Eaton 189612 Circuit breaker NZM4, PX-protection, 3 polt, 800 ampere, 50 kA, TAZ.
Technical Specifications
- Manufacturer part number (MPN)
- 189612
- EAN / GTIN
- 4015081875597
- HS code
- 8536.90
- Sales unit
- pcs
- Eaton catalogue number
- 189612
- Depth
- 375 mm
- Height
- 170 mm
- Width
- 210 mm
- Weight
- 19 kg
- Compliances
- RoHS conform
- Certifications
- IEC; IEC/EN 60947
- Functions
- Earth-fault protection; Zone selectivity; ARMS maintenance mode; Integrated earth fault protection; Systems, cable, selectivity and generator protection
- Amperage Rating
- 800 A
- Application
- 525 V
- Circuit breaker frame type
- NZM4
- Features
- Motor drive optional; Protection unit
- Number of poles
- Three-pole
- Release system
- Electronic 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
- 106 W
- Rated operational current for specified heat dissipation (In)
- 800 A
- Direction of incoming supply
- As required
- Earth-fault current setting (Ig) - max
- 800 x In
- Earth-fault current setting (Ig) - min
- 160 x In
- Electrical connection type of main circuit
- Screw connection
- Handle type
- Rocker lever
- Instantaneous current setting (Ii) - max
- 18 A
- Instantaneous current setting (Ii) - min
- 2 A
- Isolation
- 500 V AC (between auxiliary contacts and main contacts); 300 V AC (between the auxiliary contacts)
- Lifespan, electrical
- 2000 operations at 690 V AC-1; 3000 operations at 415 V AC-1; 3000 operations at 400 V AC-1
- Number of operations per hour - max
- 60
- Overload current setting (Ir) - max
- 800 A
- Overload current setting (Ir) - min
- 320 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)
- 1000 V AC
- Rated short-circuit making capacity Icm at 240 V
- 50/60 Hz
- 105 kA
- Rated short-circuit making capacity Icm at 400/415 V
- Rated short-circuit making capacity Icm at 440 V
- 50/60 Hz
- 74 kA
- Rated short-circuit making capacity Icm at 525 V
- 50/60 Hz
- 53 kA
- Rated short-circuit making capacity Icm at 690 V
- 50/60 Hz
- 40 kA
- Rated short-time withstand current (t = 0.3 s)
- 12 kA
- Rated short-time withstand current (t = 1 s)
- 12 kA
- Short delay current setting (Isd) - max
- 10 A
- Short delay current setting (Isd) - min
- 2 A
- Short-circuit release delayed setting - max
- 10 A
- Short-circuit release delayed setting - min
- 2 A
- Short-circuit release non-delayed setting - max
- 15 A
- Short-circuit release non-delayed setting - min
- 2 A
- Short-circuit total breaktime
- < 25 ms (≦ 415 V); < 35 ms (> 415 V)
- Utilization category
- B (IEC/EN 60947-2)
- Voltage rating
- 690 V - 690 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
- IP66 (with door coupling rotary handle); IP40 (with insulating surround)
- Degree of protection (terminations)
- IP00 (terminations, phase insulator and strip terminal); IP10 (tunnel terminal)
- Lifespan, mechanical
- 10000 operations
- Mounting Method
- Built-in device fixed built-in technique; Fixed
- Number of auxiliary contacts (change-over contacts)
- 0
- Number of auxiliary contacts (normally closed contacts)
- 0
- Number of auxiliary contacts (normally open contacts)
- 0
- Position of connection for main current circuit
- Front side
- Protection against direct contact
- Finger and back-of-hand proof to VDE 0106 part 100
- Shock resistance
- 15 g (half-sinusoidal shock 11 ms)
- Optional terminals
- Connection on rear. Strip terminal. Tunnel terminal
- Standard terminals
- Screw connection
- Terminal capacity (aluminum stranded conductor/cable)
- 50 mm² - 240 mm² (4x) at 4-hole tunnel terminal
- Terminal capacity (control cable)
- 0.75 mm² - 2.5 mm² (1x); 0.75 mm² - 1.5 mm² (2x)
- Terminal capacity (copper stranded conductor/cable)
- 50 mm² - 185 mm² (4x) direct at switch rear-side connection; 120 mm² - 185 mm² (1x) direct at switch rear-side connection
- Document Name
- Description Action
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 4015081875597
- SAP 1200780809
- Code 83939515
Product Documentation
Document preview: Circuit breaker NZM4 PX N 3p 800A TAZ (189612) — Specification Data Sheet (OEM)
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Technical guides
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 189612?
- 189612 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 189612.
- What is the HS code for 189612?
- The customs tariff (HS) code for 189612 is 8536.90.
- Who manufactures 189612?
- 189612 is a Eaton product in the Electrical Components range.
- Is a datasheet available for 189612?
- Yes — the 189612 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 189612?
- The minimum order quantity is 1.
- Is 189612 available?
- Yes — 189612 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).
