PT 2+1-S-48DC/FM - Type 3 surge protection device

2817958

Rail-mountable surge arrester as device protection for terminal equipment, fault signal in the plug and signaling contact in the base element, 2-section, pluggable. Design: 48 V DC

Product type Device protection
IEC power supply system DC
Type DIN rail module, two-section, divisible
Surge protection fault message Optical, remote indicator contact
Insulation characteristics
Overvoltage category III
Pollution degree 2
Arrester can be tested with CHECKMASTER from software version: From SW rev. 1.00
IEC test classification III
T3
EN type T3
Number of ports One

Indicator/remote signaling
Connection name Remote fault indicator contact
Switching function N/C contact
Operating voltage 7 V DC ... 70 V DC (open collector)
Operating current 5 mA DC ... 15 mA (open collector)

Connection method Screw connection
Screw thread M3
Tightening torque 0.8 Nm
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section rigid 0.2 mm² ... 4 mm²
Conductor cross section AWG 24 ... 12

Dimensional drawing
Width 17.7 mm
Height 90 mm
Depth 65.5 mm (incl. DIN rail 7.5 mm)
Horizontal pitch 1 Div.

Color black (RAL 9005)
Copper
Flammability rating according to UL 94 V-0
CTI value of material 600
Insulating material PA 6.6
Housing material PA 6.6

Mode of protection L-N
L-PE
N-PE
(L+) - (L-)
(L+/L-) - PE
Direction of action 1L-N & N-PE
Nominal voltage UN 48 V DC
Maximum continuous voltage UC 60 V DC
Rated load current IL 26 A (30 °C)
Residual current IPE ≤ 10 µA
Nominal discharge current In (8/20) µs 500 A
Combination wave UOC 1 kV (2 Ω)
1 kV (2 Ω)
Voltage protection level Up ≤ 120 V
Response time tA (L-N) ≤ 1 ns
Response time tA (L-PE) ≤ 1 ns
Short-circuit current rating ISCCR 200 A (without backup fuse for UC)
Max. backup fuse with branch wiring 50 A (gG)

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 2000 m (amsl)
Permissible humidity (operation) 5 % ... 95 %

Air clearances and creepage distances
Standards/regulations DIN VDE 0110-1 / IEC 60664-1 / DIN VDE 0675-6 / IEC 61643-1
Standards/specifications EN 61643-11
Note 2012
Standards/specifications IEC 61643-11
Note 2011

Mounting type DIN rail: 35 mm