TF 7-4-VA-230AC/U - Surge protection plug - 2856401

Product properties

Arrester can be tested with CHECKMASTER from software version:	From SW rev. 2.20
Insulation characteristics
Overvoltage category	III

Electrical properties

Nominal voltage U_N	230 V AC (core-ground)
	400 V AC (Line-line)

Connection data

Connection method	ST-REL 7

Material specifications

Flammability rating according to UL 94	V2
Housing material	PA

Protective circuit

Direction of action	Line-Line & Line-Earth Ground
Maximum continuous voltage U_C (line-line)	440 V AC
Maximum continuous voltage U_C (line-earth)	275 V AC
Operating effective current I_C at U_C	≤ 10 µA
Protective conductor current I_PE	40 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)	8 kA
Max. discharge current I_max (8/20) µs maximum (line-earth)	8 kA
Residual voltage at I_n (conductor-conductor)	≤ 2 kV
Residual voltage at I_n (conductor-ground)	≤ 1 kV
Max. energy absorption (2 ms), sym.	302 J
Max. energy absorption (2 ms), asym.	151 J
Voltage protection level U_p (line-line)	≤ 2 kV (at U_OC = 6 kV)
Voltage protection level U_p (line-earth)	≤ 1 kV (at U_OC = 6 kV)
Response time t_A (line-line)	≤ 25 ns
Response time t_A (line-earth)	≤ 25 ns
Frequency range	50 Hz ... 60 Hz
Capacity (Core-Core)	315 pF (typ.)
Capacity (Core-Earth)	630 pF (typ.)
Max. required back-up fuse	3 A

Environmental and real-life conditions

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

Standards and regulations

Item number	2856401
Packing unit	5 pc
Minimum order quantity	1 pc
Note	Made to order (non-returnable)
Product key	CL2131
GTIN	4017918821302
Weight per piece (including packing)	75,34 g
Weight per piece (excluding packing)	54,92 g
Country of origin	DE

TF 7-4-VA-230AC/U - Surge protection plug

2856401

Air clearances and creepage distances
Standards/regulations	IEC 60664-1 / VDE 0110-1

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