TTC-6-2-HC-M-24DC-UT-I - Surge protection device

2906719

Surge protection with integrated status indicator and knife disconnection for a 2-wire floating signal circuit with high nominal current.

Product type Surge protection for MCR technology
Product family TERMITRAB complete
IEC test classification C1
C2
C3
D1
Type DIN rail module, one-piece
Insulation characteristics
Overvoltage category III
Pollution degree 2

Nominal voltage UN 24 V DC

Connection method Screw connection
Screw thread M3
Tightening torque 0.5 Nm ... 0.6 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 6.2 mm +0.1 mm
Height 105.8 mm
Depth 83.5 mm (incl. DIN rail 7.5 mm)

Color gray (RAL 7042)
Flammability rating according to UL 94 V-0
Insulating material PBT
Housing material PBT

Mechanical data
Open side panel No

Direction of action Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-Earth Ground
Maximum continuous voltage UC 30 V DC
21 V AC
Rated current 6 A (55 °C)
Operating effective current IC at UC ≤ 5 µA
Residual current IPE ≤ 1 µA
Nominal discharge current In (8/20) µs (line-line) 0.5 kA
Nominal discharge current In (8/20) µs (line-ground) 5 kA
Pulse discharge current Iimp (10/350) µs (line-earth) 0.5 kA
Total discharge current Itotal (8/20) µs 5 kA
Voltage protection level Up (line-line) ≤ 50 V (C1 - 1 kV / 500 A)
≤ 45 V (C3 - 25 A)
≤ 50 V (C3 - 100 A)
Voltage protection level Up (line-earth) ≤ 1.35 kV (C1 - 1 kV / 500 A)
≤ 1.45 kV (C2 - 10 kV / 5 kA)
≤ 850 V (C3 - 25 A)
≤ 1.1 kV (C3 - 100 A)
Response time tA (line-line) ≤ 1 ns
Response time tA (line-earth) ≤ 100 ns
Input attenuation aE, sym. typ. 0.3 dB (≤ 300 kHz / 150 Ω)
Cut-off frequency fg (3 dB), sym. in 150 Ω system typ. 1 MHz
Capacity (Core-Core) typ. 2.2 nF
Resistance per path ≤ 100 mΩ
Surge protection fault message optical
Max. required back-up fuse 6.3 A (FF)
Impulse durability (line-line) C1 - 1 kV / 500 A
C3 - 100 A
Impulse durability (line-earth) C1 - 1 kV / 500 A
C2 - 10 kV / 5 kA
C3 - 100 A
D1 - 500 A
Pulse reset time (line-earth) ≤ 40 ms
Additional technical data
Max. total discharge current I total max (8/20) µs 10 kA

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 85 °C
Ambient temperature (storage/transport) -40 °C ... 85 °C
Altitude ≤ 4000 m (amsl)
Permissible humidity (operation) 5 % ... 95 %

Standards/specifications IEC 61643-21
Note 2000 + corrigendum 2001 + A1:2008, modified + A2:2012
EN 61643-21
Standards/specifications EN 61643-21
Note 2001 + A1:2009 + A2:2013

Mounting type DIN rail: TH 35 - 7.5 mm