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

2908438

Surge protection with integrated status indicator for a 2-wire floating signal circuit with high nominal current. Can be used in safety-related circuits up to SIL 3.

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-Earth) 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