M-UFB 2-PE 24AC - Surge protection device - 2763345

Product properties

Arrester can be tested with TT-Tester from software version:	From SW rev. 6.00
Arrester can be tested with CHECKMASTER from software version:	From SW rev. 1.10

Electrical properties

Nominal voltage U_N	24 V AC

Material specifications

Housing material	PA

Protective circuit

Maximum continuous voltage U_C (line-earth)	26 V AC
Operating effective current I_C at U_C	≤ 20 µA
Protective conductor current I_PE	≤ 1 µA
Nominal discharge current I_n (8/20) µs (line-line)	2.5 kA
Nominal discharge current I_n (8/20) µs (line-ground)	2.5 kA
Max. discharge current I_max (8/20) µs maximum (line-line)	5 kA
Max. discharge current I_max (8/20) µs maximum (line-earth)	5 kA
Output voltage limitation at 1 kV/µs (line-line) spike	≤ 65 V
Output voltage limitation at 1 kV/µs (line-earth) spike	≤ 450 V
Output voltage limitation at 1 kV/µs (line-line) static	≤ 55 V
Residual voltage at I_n (conductor-conductor)	≤ 55 V
Residual voltage at I_n (conductor-ground)	≤ 35 V
Response time t_A (line-line)	≤ 1 ns
Response time t_A (line-earth)	≤ 100 ns
Cut-off frequency fg (3 dB), sym. in 50 Ω system	1.5 MHz (typical)
Cut-off frequency fg (3 dB), sym. in 150 Ω system	500 kHz (typical)
Cut-off frequency fg (3 dB), sym. in 600 Ω system	130 kHz (typical)
Capacity (Core-Core)	2.9 nF (typical)
Capacity (Core-Earth)	2 pF (typical)
Resistance per path	4.7 Ω ±10 %
Max. required back-up fuse	250 mA (slow-blow)

Environmental and real-life conditions

Ambient conditions
Degree of protection	IP20
Ambient temperature (operation)	-40 °C ... 80 °C

Item number	2763345
Packing unit	10 pc
Minimum order quantity	1 pc
Product key	CL2141
GTIN	4017918065485
Weight per piece (including packing)	35.84 g
Weight per piece (excluding packing)	35.84 g
Country of origin	DE

M-UFB 2-PE 24AC - Surge protection device

2763345

EU REACH SVHC
REACH candidate substance (CAS No.)	No substance above 0.1 wt%