AZ-3-C50
211791 AZ-3-C50
211791

Miniature circuit breaker (MCB), 50A, 1p, C-Char
Miniature circuit breaker (MCB) AZ, 3 pole, Tripping characteristic: C, Rated current In: 50 A, Switchgear for industrial and advanced commercial applications

Basic function	Miniature circuit-breakers
Number of poles	3 pole
Tripping characteristic	C
Application	Switchgear for industrial and advanced commercial applications
Rated current [In]	50 A
Rated switching capacity acc. to IEC/EN 60947-2 [Icu]	25 kA
Product range	AZ
Standards	IEC/EN 60947-2
Rated operational voltage [Ue] [Ue]	230/400 V AC
Rated operational voltage [Ue]	60 (per pole) V DC
Rated switching capacity acc. to IEC/EN 60947-2 [Icu]	25 kA
Operational switching capacity	20 kA
Characteristic	Similar: D, C
Max. back-up fuse	200 A gL/gG
Selectivity Class	Compliant with Class 3
lifespan >Lifespan [Operations]	> 10000
Direction of incoming supply	as required
Standard front dimension	45 mm
Enclosure height	90 mm
Mounting width per pole	27 mm
Mounting	IEC/EN 60715 top-hat rail
Degree of Protection	IP20, IP40 (when fitted)
Terminals top and bottom	Lift terminals
Terminal protection	Finger and back-of-hand proof to BGV A2
Terminal capacities	2.5 … 50 mm2
Rated operational current for specified heat dissipation [In]	50 A
Heat dissipation per pole, current-dependent [Pvid]	0 W
Equipment heat dissipation, current-dependent [Pvid]	15.4 W
Static heat dissipation, non-current-dependent [Pvs]	0 W
Heat dissipation capacity [Pdiss]	0 W
Operating ambient temperature min.	-25 °C
Operating ambient temperature max.	+55 °C
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	linear, per +1 °C, results in a 0.5% reduction of current carrying capacity
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.5 Lifting	Meets the product standard´s requirements.
10.2 Strength of materials and parts >10.2.6 Mechanical impact	Does not apply, since the entire switchgear needs to be evaluated.
10.2 Strength of materials and parts >10.2.7 Inscriptions	Does not apply, since the entire switchgear needs to be evaluated.
10.3 Degree of protection of ASSEMBLIES	Meets the product standard´s requirements.
10.4 Clearances and creepage distances	Does not apply, since the entire switchgear needs to be evaluated.
10.5 Protection against electric shock	Meets the product standard´s requirements.
10.6 Incorporation of switching devices and components	Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections	Does not apply, since the entire switchgear needs to be evaluated.
10.8 Connections for external conductors	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.2 Power-frequency electric strength	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.3 Impulse withstand voltage	Is the panel builder´s responsibility.
10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material	Is the panel builder´s responsibility.
10.10 Temperature rise	Is the panel builder´s responsibility.
10.11 Short-circuit rating	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.12 Electromagnetic compatibility	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Release characteristic	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Number of poles (total)	C
Number of protected poles	3
Rated current	1
Rated voltage	50 A
Rated insulation voltage Ui	400 V
Rated impulse withstand voltage Uimp	440 V
Rated short-circuit breaking capacity Icn EN 60898 at 230 V	4 kV
Rated short-circuit breaking capacity Icn EN 60898 at 400 V	0 kA
Rated short-circuit breaking capacity Icu IEC 60947-2 at 230 V	0 kA
Rated short-circuit breaking capacity Icu IEC 60947-2 at 400 V	25 kA
Voltage type	25 kA
Frequency	AC
Current limiting class	50 - 60 Hz
Suitable for flush-mounted installation	3
Concurrently switching N-neutral	No
Over voltage category	No
Pollution degree	3
Additional equipment possible	2
Width in number of modular spacings	Yes
Built-in depth	4.5
Degree of protection (IP)	75 mm
Ambient temperature during operating	IP20
Connectable conductor cross section multi-wired	-25 - 55 °C
Connectable conductor cross section solid-core	2.5 - 50 mm²
Characteristic curve	2.5 - 50 mm²
Characteristic curve
Characteristic curve	Let-through energy I2t
Characteristic curve

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