ST 4-TWIN BU - Feed-through terminal block

3031403

Feed-through terminal block, nom. voltage: 800 V, nominal current: 32 A, number of connections: 3, connection method: Spring-cage connection, Rated cross section: 4 mm², 1 level, cross section: 0.08 mm² - 6 mm², mounting type: NS 35/7,5, NS 35/15, color: blue

Product details

Product type	Multi-conductor terminal block
Product family	ST
Area of application	Railway industry
	Machine building
	Plant engineering
	Process industry
Number of connections	3
Number of rows	1
Potentials	1
Insulation characteristics
Overvoltage category	III
Degree of pollution	3

Rated surge voltage	8 kV
Maximum power dissipation for nominal condition	1.02 W

Number of connections per level	3
Nominal cross section	4 mm²
1 level
Stripping length	8 mm ... 10 mm
Internal cylindrical gage	A4
Connection in acc. with standard	IEC 60947-7-1
Conductor cross section rigid	0.08 mm² ... 6 mm²
Cross section AWG	28 ... 10 (converted acc. to IEC)
Conductor cross section flexible	0.08 mm² ... 4 mm²
Conductor cross section, flexible [AWG]	28 ... 12 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)	0.14 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)	0.14 mm² ... 4 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve	0.5 mm² ... 1 mm²
Nominal current	32 A (with 6 mm² conductor cross section)
Maximum load current	40 A (In the case of a 6 mm² conductor cross section, the maximum load current must not be exceeded by the total current of all connected conductors)
Nominal voltage	800 V
Nominal cross section	4 mm²

Rated data (ATEX/IECEx)
Identification	 II 2 GD Ex eb IIC Gb
Operating temperature range	-60 °C ... 85 °C
Ex-certified accessories	3030491 D-ST 4-TWIN
	3030789 ATP-ST-TWIN
	3036615 DS-ST 4
	1204517 SZF 1-0,6X3,5
	3022276 CLIPFIX 35-5
	3022218 CLIPFIX 35
List of bridges	Plug-in bridge / FBS 2-6 / 3030336
	Plug-in bridge / FBS 3-6 / 3030242
	Plug-in bridge / FBS 4-6 / 3030255
	Plug-in bridge / FBS 5-6 / 3030349
	Plug-in bridge / FBS 10-6 / 3030271
	Plug-in bridge / FBS 20-6 / 3030365
Bridge data	28 A (4 mm²)
Ex temperature increase	40 K (33 A / 4 mm²)
for bridging with bridge	550 V
- At bridging between non-adjacent terminal blocks	352 V
- At bridging between non-adjacent terminal blocks via PE terminal block	352 V
- At cut-to-length bridging with cover	220 V
- At cut-to-length bridging with partition plate	275 V
Rated insulation voltage	500 V
output	(Permanent)
Ex level General
Rated voltage	550 V
Rated current	30 A
Maximum load current	34.5 A
Contact resistance	0.69 mΩ
Ex connection data General
Nominal cross section	4 mm²
Rated cross section AWG	12
Connection capacity rigid	0.08 mm² ... 6 mm²
Connection capacity AWG	28 ... 10
Connection capacity flexible	0.08 mm² ... 4 mm²
Connection capacity AWG	28 ... 12

Width	6.2 mm
End cover width	2.2 mm
Height	71.5 mm
Depth on NS 35/7,5	36.5 mm
Depth on NS 35/15	44 mm

Color	blue (RAL 5015)
Flammability rating according to UL 94	V0
Insulating material group	I
Insulating material	PA
Static insulating material application in cold	-60 °C
Relative insulation material temperature index (Elec., UL 746 B)	130 °C
Fire protection for rail vehicles (DIN EN 45545-2) R22	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26	HL 1 - HL 3
Surface flammability NFPA 130 (ASTM E 162)	passed
Specific optical density of smoke NFPA 130 (ASTM E 662)	passed
Smoke gas toxicity NFPA 130 (SMP 800C)	passed

Mechanical data
Open side panel	Yes

Oscillation/broadband noise
Specification	DIN EN 50155 (VDE 0115-200):2008-03
Spectrum	Long life test category 2, bogie-mounted
Frequency	f₁ = 5 Hz to f₂ = 250 Hz
ASD level	6.12 (m/s²)²/Hz
Acceleration	3.12g
Test duration per axis	5 h
Test directions	X-, Y- and Z-axis
Result	Test passed
Shocks
Specification	DIN EN 50155 (VDE 0115-200):2008-03
Pulse shape	Half-sine
Acceleration	30g
Shock duration	18 ms
Number of shocks per direction	3
Test directions	X-, Y- and Z-axis (pos. and neg.)
Result	Test passed
Ambient conditions
Ambient temperature (operation)	-60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see RTI Elec.)
Ambient temperature (storage/transport)	-25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to +70 °C)
Ambient temperature (assembly)	-5 °C ... 70 °C
Ambient temperature (actuation)	-5 °C ... 70 °C
Permissible humidity (operation)	20 % ... 90 %
Permissible humidity (storage/transport)	30 % ... 70 %

Connection in acc. with standard	IEC 60947-7-1

Mounting type	NS 35/7,5
	NS 35/15

Commercial data

Item number	3031403
Packing unit	50 pc
Minimum order quantity	50 pc
Product key	BE2112
Catalog page	Page 229 (C-1-2019)
GTIN	4017918186876
Weight per piece (including packing)	11.869 g
Weight per piece (excluding packing)	11.073 g
Customs tariff number	85369010
Country of origin	DE

Classifications

Approvals

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG
Use group B
	600 V	30 A	28 - 10
Use group C
	600 V	30 A	28 - 10

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG	Cross section mm²
	800 V	32 A		0.2 - 4

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG	Cross section mm²
	800 V	32 A		0.2 - 4

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG
Use group B
	600 V	30 A	28 - 10
Use group C
	600 V	30 A	28 - 10

Environmental product compliance

Compatible products

Accessories

Your advantages

The consistent double function shaft offers every opportunity for time-saving potential distribution and accommodating test accessories

User-friendly implementation of all potential branching tasks

Tested for railway applications

Space-saving and practical multi-conductor connection without additional bridges

EU RoHS
Fulfills EU RoHS substance requirements	Yes (No exemptions)
China RoHS
Environment friendly use period (EFUP)	EFUP-E No hazardous substances above the limits
EU REACH SVHC
REACH candidate substance (CAS No.)	No substance above 0.1 wt%

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

ST 4-TWIN BU - Feed-through terminal block

3031403

Product details

ECLASS

ETIM

UNSPSC

CSA

IECEE CB Scheme

KR

NK

VDE Zeichengenehmigung

cULus Recognized

ATEX

IECEx

CCC

UKCA-EX

EAC Ex

Compatible products

Your advantages

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

ST 4-TWIN BU - Feed-through terminal block 3031403

Product details

ECLASS

ETIM

UNSPSC

Compatible products

FBS 2-6 - Plug-in bridge 3030336

FBS 3-6 - Plug-in bridge 3030242

FBS 4-6 - Plug-in bridge 3030255

FBS 5-6 - Plug-in bridge 3030349

FBS 6-6 - Plug-in bridge 1008238

FBS 10-6 - Plug-in bridge 3030271

FBS 20-6 - Plug-in bridge 3030365

FBSR 2-6 - Plug-in bridge 3033715

FBSR 3-6 - Plug-in bridge 3001594

FBSR 4-6 - Plug-in bridge 3001595

FBSR 5-6 - Plug-in bridge 3001596

FBSR 10-6 - Plug-in bridge 3033716

FBSRH 2-6 - Short-circuit connector 3033812

FBS 2-6 BU - Plug-in bridge 3036932

FBS 3-6 BU - Plug-in bridge 3036945

FBS 4-6 BU - Plug-in bridge 3036958

FBS 5-6 BU - Plug-in bridge 3036961

FBS 10-6 BU - Plug-in bridge 3032198

FBS 20-6 BU - Plug-in bridge 3032208

FBS 50-6 BU - Plug-in bridge 3032211

RB ST (2,5/4)-1,5/S - Reducing bridge 3214356

RB ST 6-(2,5/4) - Reducing bridge 3030860

RB ST 10-(2,5/4) - Reducing bridge 3030873

RB ST 16-(2,5/4) - Reducing bridge 3030886

RB ST 35-(2,5/4) - Reducing bridge 3030899

RB ST (2,5/4)-1,5 - Reducing bridge 3038943

RB UT 6-ST(2,5/4) - Reducing bridge 3047264

RB UT 35-ST(2,5/4) - Reducing bridge 3047280

RB UT 10-ST(2,5/4) - Reducing bridge 3047086

RB UT 16-ST(2,5/4) - Reducing bridge 3047099

RB PTPOWER 35-ST(2,5/4) - Reducing bridge 3030900

RPS - Reducing plug 0201647

ATP-ST-TWIN - Partition plate 3030789

DS-ST 4 - Cover segment 3036615

LPS-6/E - Service connector 3270540

LPS-6 - Service connector 3270541

LPO 4/E - Pick-off plug 3270519

LPO 4 - Pick-off plug 3270522

D-ST 4-TWIN - End cover 3030491

D-ST 4-TWIN OG - End cover 3030492

NS 35/ 7,5 PERF 2000MM - DIN rail perforated 0801733

NS 35/ 7,5 UNPERF 2000MM - DIN rail, unperforated 0801681

NS 35/ 7,5 WH PERF 2000MM - DIN rail perforated 1204119

NS 35/ 7,5 WH UNPERF 2000MM-VPE 10 - DIN rail, unperforated 1204122

NS 35/ 7,5 AL UNPERF 2000MM - DIN rail, unperforated 0801704

NS 35/ 7,5 ZN PERF 2000MM - DIN rail perforated 1206421

NS 35/ 7,5 ZN UNPERF 2000MM - DIN rail, unperforated 1206434

NS 35/ 7,5 CU UNPERF 2000MM-VPE 10 - DIN rail, unperforated 0801762

NS 35/ 7,5 CAP - End cap 1206560

NS 35/15 PERF 2000MM - DIN rail perforated 1201730

NS 35/15 UNPERF 2000MM - DIN rail, unperforated 1201714

NS 35/15 WH PERF 2000MM - DIN rail perforated 0806602

NS 35/15 WH UNPERF 2000MM-VPE 10 - DIN rail, unperforated 1204135

NS 35/15 AL UNPERF 2000MM - DIN rail, unperforated 1201756

NS 35/15 ZN PERF 2000MM - DIN rail perforated 1206599

NS 35/15 ZN UNPERF 2000MM - DIN rail, unperforated 1206586

NS 35/15 CU UNPERF 2000MM-VPE 10 - DIN rail, unperforated 1201895

NS 35/15 CAP - End cap 1206573

NS 35/15-2,3 UNPERF 2000MM-VPE 10 - DIN rail, unperforated 1201798

ZB 6:UNBEDRUCKT - Zack marker strip 1051003

ZB 6 CUS - Zack marker strip 0824992

ZB 6,LGS:FORTL.ZAHLEN - Zack marker strip 1051016

ZB 6,QR:FORTL.ZAHLEN - Zack marker strip 1051029

ZB 6,LGS:GLEICHE ZAHLEN - Zack marker strip 1051032

ZB 6,LGS:L1-N,PE - Marker for terminal blocks 1051414

ZB 6,LGS:U-N - Marker for terminal blocks 1051430

UC-TM 6 - Marker for terminal blocks 0818085

UC-TM 6 CUS - Marker for terminal blocks 0824589

UCT-TM 6 - Marker for terminal blocks 0828736

ST 4-TWIN BU - Feed-through terminal block

3031403