PHOENIX CONTACT Deutschland GmbH Page 1 / 6
http://www.phoenixcontact.de Feb 9, 2011
Extract from the online
catalog
TT-STTB-24
Order No.: 2858140
The illustration shows version TT-STTB-12
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2858140
Spring-cage terminal block with suppressor diode as fine surge
protection, nominal voltage 24 V DC, for mounting on NS 35/7.5
Commercial data
GTIN (EAN)
4 017918 877866
sales group J300
Pack 25 pcs.
Customs tariff 85363010
Catalog page information Page 104 (TT-2009)
Product notes
WEEE/RoHS-compliant since:
06/06/2006
http://
www.download.phoenixcontact.com
Please note that the data given
here has been taken from the
online catalog. For comprehensive
information and data, please refer
to the user documentation. The
General Terms and Conditions of
Use apply to Internet downloads.
Technical data
General
Housing material PA 6.6
Inflammability class acc. to UL 94 V0
Color black
TT-STTB-24 Order No.: 2858140
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2858140
PHOENIX CONTACT Deutschland GmbH Page 2 / 6
http://www.phoenixcontact.de Feb 9, 2011
Standards for air and creepage distances IEC 60664-1: 1992-10
VDE 0110-1
Total surge current (8/20) µs 119 A
Ambient temperature (operation) -40 °C ... 85 °C
Mounting type DIN rail: 35 mm
Design Double-level terminal block
Degree of protection IP20
Direction of action Line-Line
Width 6.20 mm
Height 47.50 mm
Length 83.50 mm
Protective circuit
IEC category C3
VDE requirement class C3
Nominal voltage UN24 V DC
Maximum continuous operating voltage UC40 V DC
28 V AC
Maximum continuous voltage UC (wire-wire) 40 V DC
28 V AC
Nominal current IN32 A (60°C)
Operating effective current IC at UC≤ 5 µA
Nominal discharge surge current In (8/20) µs
(Core-Core)
119 A
Total surge current (8/20) µs 119 A
Max. discharge surge current Imax (8/20) µs
maximum (Core-Core)
119 A
Nominal pulse current Ian (10/1000) µs (Core-
Core)
23 A
Output voltage limitation at 1 kV/µs (Core-Earth)
spike
≤ 60 V
Output voltage limitation at 1 kV/µs (Core-Core)
static
≤ 60 V
Residual voltage at In, (conductor-conductor) ≤ 80 V
Residual voltage with Ian (10/1000)µs (conductor-
conductor)
≤ 65 V
Protection level UP (Core-Core) 55 V (C3 (10 A))
Response time tA (Core-Core) ≤ 1 ns
TT-STTB-24 Order No.: 2858140
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2858140
PHOENIX CONTACT Deutschland GmbH Page 3 / 6
http://www.phoenixcontact.de Feb 9, 2011
Input attenuation aE, sym. 0.1 dB (≤ 400 kHz/150 Ω)
Cut-off frequency fg (3 dB), sym. in 150 Ohm
system
Typ. 2 MHz
Capacity (Core-Core) 1.1 nF (With 1 MHz)
Surge carrying capacity in acc. with IEC 61643-21
(Core-Core)
C3 (10 A)
Connection data
Type of connection Spring-cage connection
Connection type IN Spring-cage
Connection type OUT Spring-cage
Conductor cross section stranded min. 0.5 mm²
Conductor cross section stranded max. 4 mm²
Conductor cross section solid min. 0.5 mm²
Conductor cross section solid max. 6 mm²
Conductor cross section AWG/kcmil min. 20
Conductor cross section AWG/kcmil max 10
Connection, protective circuit
Standards/regulations IEC 61643-21
Certificates / Approvals
Certification GOST
Accessories
Item Designation Description
Assembly
3030747 ATP-STTB 4 Partition plate, Length:88.7 mm, Width:2 mm, Height:53 mm,
Color:gray
General
2858496 TT-D-STTB BK End cover for TERMITRAB TT-STTB-..., width: 2.2 mm, color:
Black
TT-STTB-24 Order No.: 2858140
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2858140
PHOENIX CONTACT Deutschland GmbH Page 4 / 6
http://www.phoenixcontact.de Feb 9, 2011
Marking
1051993 B-STIFT Marker pen, for manual labeling of unprinted Zack strips, smear-
proof and waterproof, line thickness 0.5 mm
1051016 ZB 6,LGS:FORTL.ZAHLEN Zack marker strip, 10-section, printed horizontally: with the
numbers 1 - 10, 11 - 20 and so on up to 491 - 500, color: white
1051414 ZB 6,LGS:L1-N,PE Zack strip, printed horizontally, strips with 10 labels, L1, L2, L3, N,
PE, L1, L2, L3, N, PE, color: white
1051430 ZB 6,LGS:U-N Zack strip, printed horizontally: 10-section, U, V, W, N, GND, U, V,
W, N, GND, color: white
1050499 ZB 6:SO/CMS Zack strip, 10-section, divisible, special printing, marking
according to customer requirements
1051003 ZB 6:UNBEDRUCKT Zack strip, unprinted, strips with 10 labels for individual labeling
with M-PEN or CMS system, for terminal block width: 6.2 mm,
color: white
0808749 ZBF 6,LGS:FORTL.ZAHLEN Zack marker strip, flat, printed horizontally: 10-section, with the
numbers 1 - 10, 11 - 20, and so on up to 91 - 100, color: white
0808736 ZBF 6/WH-100:UNBEDRUCKT Zack strip, flat, unprinted: 10-section, for individual labeling with
M-PEN or ZBF-T, large batch, sufficient for labeling 1000 terminal
blocks, color: white
0808710 ZBF 6:UNBEDRUCKT Zack strip, flat, unprinted: 10-section, for individual labeling with
M-PEN or ZBF-T, sufficient for 100 terminal blocks, color: white
Additional products
Item Designation Description
Assembly
3030747 ATP-STTB 4 Partition plate, Length:88.7 mm, Width:2 mm, Height:53 mm,
Color:gray
2839295 SSA 3-6 shield fast connections for conductor diameter 3 - 6 mm. Potential
connection cable: 200 mm, black
2839512 SSA 5-10 Shield fast connection for conductor diameters 5 - 10 mm.
Potential connection cable: 200 mm, black
General
2858496 TT-D-STTB BK End cover for TERMITRAB TT-STTB-..., width: 2.2 mm, color:
Black
TT-STTB-24 Order No.: 2858140
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2858140
PHOENIX CONTACT Deutschland GmbH Page 5 / 6
http://www.phoenixcontact.de Feb 9, 2011
Diagrams/Drawings
Dimensioned drawing
Circuit diagram
Schematic diagram
TT-STTB-24 Order No.: 2858140
http://eshop.phoenixcontact.de/phoenix/treeViewClick.do?UID=2858140
PHOENIX CONTACT Deutschland GmbH Page 6 / 6
http://www.phoenixcontact.de Feb 9, 2011
Address
PHOENIX CONTACT Deutschland GmbH
Flachsmarktstr. 8
32825 Blomberg,Germany
Phone +49 5235 3 12000
Fax +49 5235 3 41200
http://www.phoenixcontact.de
© 2011 Phoenix Contact
Technical modifications reserved;