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)

Rating	Overload Release (A)	Short Circuit Release (A)	18kA Three Pole	18kA Four Pole	25kA Three Pole	25kA Four Pole
20A	15…20	Fix 350	MC120213	MC120214	MC120241	MC120244
25A	20…25	Fix 350	MC120223	MC120224	MC120251	MC120254
32A	25…32	Fix 350	MC120233	MC120234	MC120261	MC120264
40A	32…40	Fix 640	MC120243	MC120244	MC120271	MC120274
50A	40…50	Fix 800	MC120253	MC120254	MC120281	MC120284
63A	50…63	Fix 1008	MC120263	MC120264	MC120291	MC120294
80A	63…80	Fix 1280	MC120273	MC120274	MC120301	MC120304
100A	80…100	Fix 1280	MC120283	MC120284	MC120311	MC120314
125A	100…125	Fix 1280	MC120293	MC120294	MC120321	MC120324
160A	125…160	Fix 1280	MC120303	MC120304	MC120331	MC120334

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

Rating	Overload Release (A)	Short Circuit Release (A)	25kA Three Pole	36kA Three Pole	25kA Four Pole	36kA Four Pole
125A	100…125	750…1250	MC212631	MC212831	MC212641	MC212841
160A	125…160	1000…1600	MC216231	MC216431	MC216241	MC216441
200A	160…200	1280…2000	MC220231	MC220431	MC220241	MC220441
250A	200…250	1600…2500	MC224231	MC224431	MC224241	MC224441
300A	200…250	1600…2500	MC230231	MC230431	MC230241	MC230441

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

Rating	Overload Release (A)	Short Circuit Release (A)	36kA Three Pole	36kA Four Pole	50kA Three Pole	50kA Four Pole
400A	320…400	2000…3200	MC324231	MC324241	MC324331	MC324341
500A	400…500	2000…3200	MC325231	MC325241	MC325331	MC325341
630A	500…630	2000…3200	MC326231	MC326241	MC326331	MC326341

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

Rating	Overload Release (A)	Short Circuit Release (A)	25kA Three Pole	36kA Three Pole	25kA Four Pole	36kA Four Pole
630A	315…630	1260…2520	MC350231	MC350331	MC350241	MC350341
800A	400…800	1600…3200	MC352231	MC352331	MC352241	MC352341
1000A	500…1000	2000…4000	MC354231	MC354331	MC354241	MC354341
1250A	630…1250	2500…5000	MC356231	MC356331	MC356241	MC356341
1600A	800…1600	2900…5900	MC358231	MC358331	MC358241	MC358341