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Surge protection device-TT-ST-2PE-24DC-2858878
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Spring cage modular terminal block with integrated surge protection, for assembly on NS 35/7.5,
voltage U<sub>N</sub> 24 V DC, terminal width: 6.2 mm, cover width: 2.2 mm
Why buy this product
Multi-stage modular terminal blocks with spring-cage connection
Disconnection of signal circuits by disconnect knife
Key commercial data
Packing unit 1
Minimum order quantity 1
Catalog page Page 108 (TT-2011)
GTIN
Custom tariff number 85363030
Country of origin GERMANY
Technical data
General
Housing material PA 6.6
Inflammability class according to UL 94 V2
Color black
Standards for air and creepage distances EN 60664-1
Standards for air and creepage distances IEC 60664-1
Surge voltage category III
Pollution degree 2
Total surge current (8/20) µs 10 kA
Total surge current (10/350) µs 2 kA
Ambient temperature (operation) -40 °C ... 85 °C
Mounting type DIN rail: 35 mm
Design Double-level terminal block
Number of positions 2
Degree of protection IP20
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Surge protection device-TT-ST-2PE-24DC-2858878
Technical data
General
Direction of action Line-Line & Line-Earth Ground
Width 6.2 mm
Height 100 mm
Depth 63.5 mm
Protective circuit
IEC category C1
IEC category C2
IEC category C3
IEC category D1
VDE requirement class C1
VDE requirement class C2
VDE requirement class C3
VDE requirement class D1
Nominal voltage UN 24 V DC
Maximum continuous operating voltage UC 30 V DC
Maximum continuous operating voltage UC 21 V AC
Maximum continuous voltage UC (wire-wire) 30 V DC
Maximum continuous voltage UC (wire-wire) 21 V AC
Nominal current IN 350 mA (45°C)
Operating effective current IC at UC ≤ 10 µA
Ground conductor current IPE ≤ 2 µA
Nominal discharge surge current In (8/20) µs (Core-Core) 5 kA
Nominal discharge surge current In (8/20) µs (Core-Earth) 5 kA
Total surge current (8/20) µs 10 kA
Max. discharge surge current Imax (8/20) µs maximum (Core-
Core) 5 kA
Max. discharge surge current Imax (8/20) µs maximum (Core-
Earth) 5 kA
Nominal pulse current Ian (10/1000) µs (Core-Core) 100 A
Nominal pulse current Ian (10/1000) µs (Core-Earth) 200 A (in total)
Lightning test current (10/350) µs, peak value limp 1 kA (per path)
Output voltage limitation at 1 kV/µs (Core-Core) spike ≤ 40 V
Output voltage limitation at 1 kV/µs (Core-Earth) spike ≤ 600 V
Output voltage limitation at 1 kV/µs (Core-Core) static ≤ 40 V
Output voltage limitation at 1 kV/µs (Core-Earth) static ≤ 600 V
Residual voltage at In, (conductor-conductor) ≤ 40 V
Protection level UP (Core-Core) ≤ 60 V (C2 (10 kV/5 kA))
Protection level UP (Core-Core) ≤ 40 V (stat.)
Protection level UP (Core-Earth) ≤ 600 V (C2 (10 kV/5 kA))
Response time tA (Core-Core) ≤ 1 ns
Response time tA (Core-Earth) ≤ 100 ns
Input attenuation aE, sym. Typ. 1 dB (400 kHz/50 Ω)
Input attenuation aE, sym. Typ. 0.4 dB (150 kHz/150 Ω)
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Surge protection device-TT-ST-2PE-24DC-2858878
Technical data
Protective circuit
Input attenuation aE, sym. Typ. 0.1 dB (30 kHz/600 Ω)
Cut-off frequency fg (3 dB), sym. in 50 Ohm system 3 MHz
Cut-off frequency fg (3 dB), sym. in 150 Ohm system 1 MHz
Cut-off frequency fg (3 dB), sym. in 600 Ohm system Typ. 250 kHz
Capacity (Core-Core) 4 nF
Capacity (Core-Earth) 2 pF
Resistance in series 6.6 Ω ±20 % (per path)
Resistance in series 6.6 Ω
Message: Surge protection fault None
Max. required back-up fuse 370 mA
Surge carrying capacity in acc. with IEC 61643-21 (Core-Core) C2 (10 kV/5 kA)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Core) C3 (100 A)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) C2 (10 kV/5 kA)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) D1 (1 kA)
Surge carrying capacity in acc. with IEC 61643-21 (Core-Earth) C3 (100 A)
Connection data
Connection method Spring-cage connection
Connection type IN Spring-cage
Connection type OUT Spring-cage
Conductor cross section stranded min. 0.2 mm²
Conductor cross section stranded max. 2.5 mm²
Conductor cross section solid min. 0.2 mm²
Conductor cross section solid max. 4 mm²
Conductor cross section AWG/kcmil min. 24
Conductor cross section AWG/kcmil max 12
Classifications
eclass
eCl@ss 4.0 27140201
eCl@ss 4.1 27130801
eCl@ss 5.0 27130801
eCl@ss 5.1 27130801
eCl@ss 6.0 27130807
eCl@ss 7.0 27130807
etim
ETIM 2.0 EC000943
ETIM 3.0 EC000943
ETIM 4.0 EC000943
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Surge protection device-TT-ST-2PE-24DC-2858878
Classifications
unspsc
UNSPSC 6.01 30212010
UNSPSC 7.0901 39121610
UNSPSC 11 39121610
UNSPSC 12.01 39121610
UNSPSC 13.2 39121620
Approvals
Approvals
Approvals
GOST / UL Listed
Ex Approvals
Approvals submitted
Approval details
GOST
UL Listed
Accessories
Accessories
Marking
Marker pen-B-STIFT-1051993
Marker pen, for manual labeling of unprinted Zack strips, smear-proof and waterproof, line thickness 0.5 mm
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Accessories
Zack Marker strip, flat-ZBF 6:UNBEDRUCKT-0808710
Zack Marker strip, flat, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into flat
marker groove, For terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm
Zack Marker strip, flat-ZBF 6/WH-100:UNBEDRUCKT-0808736
Zack Marker strip, flat, Strip, white, Unlabeled, Can be labeled with: Plotter, Mounting type: Snap into flat
marker groove, For terminal block width: 6.2 mm, Lettering field: 5.15 x 6.15 mm
Zack Marker strip, flat-ZBF 6,LGS:FORTL.ZAHLEN-0808749
Zack Marker strip, flat, Strip, white, Labeled, Printed horizontally:Consecutive numbers 1 - 10, 11 - 20, etc.
up to 91 - 100, Mounting type: Snap into flat marker groove, For terminal block width: 6.2 mm, Lettering
field: 5.15 x 6.15 mm
End cover-TT-D-STTCO-BK-2858894
End cover for TERMITRAB TT-ST-..., width: 2.2 mm, color: Black
Additional products
End cover-TT-D-STTCO-BK-2858894
End cover for TERMITRAB TT-ST-..., width: 2.2 mm, color: Black
Drawings
