FAZ-B4/2-HS
279275 FAZ-B4/2-HS
279275

Miniature circuit breaker (MCB), 4A, 2p, B-Char, AC
Miniature circuit breaker (MCB) FAZ-HS, 2 pole, Tripping characteristic: B, Rated current In: 4 A, Switchgear for industrial and advanced commercial applications

Basic function	Miniature circuit-breakers
Number of poles	2 pole
Tripping characteristic	B
Application	Switchgear for industrial and advanced commercial applications
Rated current [In]	4 A
Rated switching capacity acc. to IEC/EN 60947-2 [Icu]	10 kA
Product range	FAZ-HS
Standards	IEC/EN 60947-2 IEC/EN 60898
Rated operational voltage [Ue] [Ue]	240/415 V AC
Rated operational voltage [Ue]	60 (per pole) V DC
Rated switching capacity acc. to IEC/EN 60947-2 [Icu]	10 kA
Operational switching capacity	7.5 kA
Characteristic	B, C, D, K, S, Z
Max. back-up fuse	125 A gL/gG
Selectivity Class	3
lifespan >Lifespan [Operations]	> 10000
Direction of incoming supply	as required
Standard front dimension	45 mm
Enclosure height	80 mm
Mounting width per pole	17.5 mm
Mounting	IEC/EN 60715 top-hat rail
Degree of Protection	IP20, IP40 (when fitted)
Terminals top and bottom	Twin-purpose terminals
Terminal protection	Finger and back-of-hand proof to BGV A2
Terminal capacities	1 x 25 mm2
Terminal capacities	2 x 10 mm2
Thickness of busbar material	0.8 … 2 mm
Mounting position	As required
Operating ambient temperature min.	-40 °C
Operating ambient temperature max.	+75 °C
Release characteristic	B
Number of poles (total)	2
Number of protected poles	2
Rated current	4 A
Rated voltage	400 V
Rated insulation voltage Ui	440 V
Rated impulse withstand voltage Uimp	4 kV
Rated short-circuit breaking capacity Icn EN 60898 at 230 V	10 kA
Rated short-circuit breaking capacity Icn EN 60898 at 400 V	10 kA
Rated short-circuit breaking capacity Icu IEC 60947-2 at 230 V	15 kA
Rated short-circuit breaking capacity Icu IEC 60947-2 at 400 V	15 kA
Voltage type	AC
Frequency	50 - 60 Hz
Current limiting class	3
Suitable for flush-mounted installation	No
Concurrently switching N-neutral	No
Over voltage category	3
Pollution degree	2
Additional equipment possible	Yes
Width in number of modular spacings	2
Built-in depth	70.5 mm
Degree of protection (IP)	IP20
Ambient temperature during operating	-25 - 75 °C
Connectable conductor cross section multi-wired	1 - 25 mm²
Connectable conductor cross section solid-core	1 - 25 mm²
Product Standards	IEC/EN 60947-2; IEC/EN 60898; UL 1077; CSA-C22.2 No. 235; CE marking
UL File No.	E177451
UL Category Control No.	QVNU2, QVNU8
CSA File No.	204453
CSA Class No.	3215-30
North America Certification	UL recognized, CSA certified
Conditions of Acceptability	Supplementary Protector only
Suitable for	Branch Circuits; not as BCPD
Current Limiting Circuit-Breaker	No
Max. Voltage Rating	480Y/277 VAC; 96 VDC
Degree of Protection	IEC: IP20; UL/CSA Type: -
Characteristic curve
Characteristic curve	Let-through energy I2t According to IEC/EN 60898
Characteristic curve
Characteristic curve

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