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MCCB | ATAF

MCCB

  • Circuit breakers MC,
  • Isolator/switch switches MC-RI, MC-N
  • IP2X finger protection for box terminal
  • Cover
  • IP2X finger protection for cover
  • Tunnel terminal for Al and Cu cables
  • Box terminal
  • Control circuit terminal
  • Plug-in and extension unit
  • Clip plate
  • Rubber shutter
  • Rear connection
  • Spacers
  • Standard auxiliary contact, trip-indicating auxiliary contact
  • Measurement and communication module
  • Replacement shifter
  • Rotary drive with shaft support
  • Extension shaft
  • Door coupling rotary handle
  • Rotary handle with rotary drive
  • Rotary locking frame
  • External warning/additional plate
  • Remote operator
  • Toggle lever locking device
  • Mechanical interlock
  • Display
  • DMI module
  • Profibus interface
  • Undervoltage release
  • Time-delay device
  • Motor operator
  • Earth fault module
  • Shunt release
  • Key lock
  • Padlock
  • Interlocking mechanism
  • Position indicator

CIRCUIT BREAKER

MOULDED CASE CIRCUIT BREAKER (MCCB)

DESCRIPTION
  • For system and line protection
  • Adjustable overload release Ir: 0.8 – 1 x In (factory setting 0.8 x In)
  • Adjustable short-circuit release Isc: 6 – 10 x In (factory setting 6 x In); except MC-A40: 8 – 10 x In
  • Lift terminals as standard, screw terminals as accessories
  • Breaking capacity: 25/36/50/100kA at 415V/50/60Hz
  • Specifications acc. to IEC/EN 60947-2
  • Rated uninterrupted current = rated current

THERMOMAGNETIC RELEASE FOR LINE

MC1 (L/A) MC2 (L/A) MC3 (L/A) Overload Release Iᵣ/A Short-Circuit Release Iₛ/A
20     0.8–1×Iₙ 350
25     0.8–1×Iₙ 350
32     0.8–1×Iₙ 350
40     0.8–1×Iₙ 6–10×Iₙ
50     0.8–1×Iₙ 6–10×Iₙ
63     0.8–1×Iₙ 6–10×Iₙ
80     0.8–1×Iₙ 6–10×Iₙ
100     0.8–1×Iₙ 6–10×Iₙ
125     0.8–1×Iₙ 6–10×Iₙ
160     0.8–1×Iₙ MC1: 8×Iₙ / MC2: 8×Iₙ / MC3: 8–10×Iₙ
250     0.8–1×Iₙ  
300     0.8–1×Iₙ  
400     0.8–1×Iₙ  
500     0.8–1×Iₙ  

THERMOMAGNETIC RELEASE FOR MOTOR

MC1 (L/A) MC2 (L/A) Overload Release Iᵣ/A Short-Circuit Release Iₛ/A
20   0.8–1×Iₙ 350
25   0.8–1×Iₙ 350
32   0.8–1×Iₙ 350
40   0.8–1×Iₙ 10–14×Iₙ
50   0.8–1×Iₙ 8–14×Iₙ
63   0.8–1×Iₙ 8–14×Iₙ
80   0.8–1×Iₙ 8–14×Iₙ
100   0.8–1×Iₙ MC1: 8–12.5×Iₙ / MC2: 8–14×Iₙ
125   0.8–1×Iₙ MC2: 8–14×Iₙ
160   0.8–1×Iₙ 8–14×Iₙ
200   0.8–1×Iₙ 8–14×Iₙ

 

ELECTRONIC RELEASE FOR LINE

MC1 (L/A) MC2 (L/A) MC3 (L/A) Overload Release Iᵣ/A Short-Circuit Release Iₛ/A
20     0.8–1×Iₙ 350
25     0.8–1×Iₙ 350
32     0.8–1×Iₙ 350
40     0.8–1×Iₙ 6–10×Iₙ
50     0.8–1×Iₙ 6–10×Iₙ
63     0.8–1×Iₙ 6–10×Iₙ
80     0.8–1×Iₙ 6–10×Iₙ
100     0.8–1×Iₙ 6–10×Iₙ
125     0.8–1×Iₙ 6–10×Iₙ
160     0.8–1×Iₙ MC1: 8×Iₙ / MC2: 8×Iₙ / MC3: 8–10×Iₙ
250     0.8–1×Iₙ  
300     0.8–1×Iₙ  
400     0.8–1×Iₙ  
500     0.8–1×Iₙ  

 

THERMOMAGNETIC RELEASE FOR MOTOR

MC1 (L/A) MC2 (L/A) Overload Release Iᵣ/A Short-Circuit Release Iₛ/A
20   0.8–1×Iₙ 350
25   0.8–1×Iₙ 350
32   0.8–1×Iₙ 350
40   0.8–1×Iₙ 10–14×Iₙ
50   0.8–1×Iₙ 8–14×Iₙ
63   0.8–1×Iₙ 8–14×Iₙ
80   0.8–1×Iₙ 8–14×Iₙ
100   0.8–1×Iₙ MC1: 8–12.5×Iₙ / MC2: 8–14×Iₙ
125   0.8–1×Iₙ MC2: 8–14×Iₙ
160   0.8–1×Iₙ 8–14×Iₙ
200   0.8–1×Iₙ 8–14×Iₙ

MB-FRAME SIZE 1 / UP TO 125A THERMAL MAGNETIC RELEASE (FIXED TYPE)

Rating Overload Release (A) Short Circuit Release (A) 18kA Three Pole 18kA Four Pole 25kA Three Pole 25kA Four Pole
16A 16A 256–384 MB160813C MB160814C MB1608131C MB1608141C
20A 20A 320–480 MB160823C MB160824C MB1608231C MB1608241C
25A 25A 400–600 MB160833C MB160834C MB1608331C MB1608341C
32A 32A 512–768 MB160843C MB160844C MB1608431C MB1608441C
40A 40A 640–960 MB160853C MB160854C MB1608531C MB1608541C
50A 50A 800–1200 MB160863C MB160864C MB1608631C MB1608641C
63A 63A 1008–1512 MB160873C MB160874C MB1608731C MB1608741C
80A 80A 1280–1920 MB160883C MB160884C MB1608831C MB1608841C
100A 100A 1600–2400 MB160893C MB160894C MB1608931C MB1608941C
125A 125A 2000–3000 MB160803C MB160804C MB1608031C MB1608041C

MC-FRAME SIZE 1 / UP TO 160A THERMAL MAGNETIC RELEASE (ADJUSTABLE TYPE)

MC-FRAME SIZE 2 / UP TO 300A THERMAL MAGNETIC RELEASE (ADJUSTABLE TYPE)

MC-FRAME SIZE 3 / UP TO 630A THERMAL MAGNETIC RELEASE (ADJUSTABLE TYPE)

MC-FRAME SIZE 4 / UP TO 1600A ELECTRONIC RELEASE (ADJUSTABLE TYPE)

MNS POWERTECH is a prominent leader in the electrical industry providing comprehensive solutions across the entire energy spectrum – from power generation to distribution.

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