SALTEK DMS-024T SPD – Data, Signalling and Telecommunication

Coupling impedance (resistance).

Special two-stage surge protection of 2-core signalling line with current limiting.
Installation close to protected equipment.
For protection of communication interfaces, mainly the measuring loops, of I<(>&<)>C, electronic security and fire detection systems, etc. against surge voltage where are long parallel lines with power network.
Coarse and fine surge protection in differential mode (core – core) and coarse surge protection in common mode (core – PE).

Specifications:

Parameter name		Parameter value
Type of SPD		C2
Location of SPD		ST 2+3
Mounting		DIN rail 35 mm
Nominal voltage	U_n	24 V DC
Maximum operating voltage	U_c	23.00 V AC
Maximum operating voltage	U_c	33.00 V DC
Nominal load current	I_L	0.060 A
Treshold frequency core-core	f	1.10 MHz
Serial resistance per core	R	13.00 Ω
C2 nominal discharge current (8/20 µs) per core	I_n	5.00 kA
C2 total discharge current (8/20 µs) cores-PE	I_Total	10.00 kA
C2 voltage protection level mode core-PE at In	U_p	500 V
C2 voltage protection level mode core-core at In	U_p	75 V
Response time core-core	t_a	1 ns
Response time core-PE	t_a	100 ns
Connection (input - output)		terminals
Cross-section of connected conductors solid (max)		2.50 mm²
Cross-section of connected conductors stranded (max)		2.50 mm²
Degree of protection		IP 20
Range of ambient temperatures (min/max)		-40 / 70 °C
According to standard		EN 61643-21+A1,A2:2013, IEC 61643-21+A1,A2:2012
ETIM Class		EC001625
Customs tariff number		85363030
EAN		8595090565963

Dimensions:

Datasheet:
DMS-024T

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