STTB 1,5 - Double-level spring-cage terminal block - 3031157

Product details

Product type	Multi-level terminal block
Product family	ST
Area of application	Railway industry
	Machine building
	Plant engineering
	Process industry
Number of connections	4
Number of rows	2
Potentials	2
Insulation characteristics
Overvoltage category	III
Degree of pollution	3

Rated surge voltage	6 kV
Maximum power dissipation for nominal condition	0.56 W

Number of connections per level	2
Nominal cross section	1.5 mm²
1st and 2nd level
Stripping length	10 mm
Internal cylindrical gage	A1
Connection in acc. with standard	IEC 60947-7-1
Conductor cross section rigid	0.08 mm² ... 1.5 mm²
Cross section AWG	28 ... 16 (converted acc. to IEC)
Conductor cross section flexible	0.08 mm² ... 1.5 mm²
Conductor cross section, flexible [AWG]	28 ... 16 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)	0.14 mm² ... 1.5 mm²
Flexible conductor cross section (ferrule with plastic sleeve)	0.14 mm² ... 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve	0.5 mm²
Nominal current	17.5 A
Maximum load current	17.5 A (with 1.5 mm² conductor cross section)
Nominal voltage	500 V
Nominal cross section	1.5 mm²

Rated data (ATEX/IECEx)
Identification	 II 2 GD Ex eb IIC Gb
Operating temperature range	-60 °C ... 85 °C
Ex-certified accessories	3030459 D-STTB 2,5
	3030747 ATP-STTB 4
	1204504 SZF 0-0,4X2,5
	3022276 CLIPFIX 35-5
	3022218 CLIPFIX 35
List of bridges	Plug-in bridge / FBS 2-4 / 3030116
	Plug-in bridge / FBS 3-4 / 3030129
	Plug-in bridge / FBS 4-4 / 3030132
	Plug-in bridge / FBS 5-4 / 3030145
	Plug-in bridge / FBS 10-4 / 3030158
	Plug-in bridge / FBS 20-4 / 3030352
Bridge data	13.5 A / 1.5 mm²
Ex temperature increase	40 K (17.3 A/1.5 mm²)
for bridging with bridge	440 V
- At bridging between non-adjacent terminal blocks	352 V
- At bridging between non-adjacent terminal blocks via PE terminal block	352 V
Rated insulation voltage	400 V
output	(Permanent)
Ex level General
Rated voltage	440 V
Rated current	15.5 A
Maximum load current	15.5 A
Ex connection data General
Nominal cross section	1.5 mm²
Rated cross section AWG	16
Connection capacity rigid	0.08 mm² ... 1.5 mm²
Connection capacity AWG	28 ... 16
Connection capacity flexible	0.08 mm² ... 1.5 mm²
Connection capacity AWG	28 ... 16
output	(Permanent)
Ex level Level 1
Contact resistance	1.04 mΩ
output	(Permanent)
Ex level Level 2
Contact resistance	0.96 mΩ

Width	4.2 mm
End cover width	2.2 mm
Height	67.5 mm
Depth on NS 35/7,5	47.5 mm
Depth on NS 35/15	55 mm

Color	gray (RAL 7042)
Flammability rating according to UL 94	V0
Insulating material group	I
Insulating material	PA
Static insulating material application in cold	-60 °C
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))	125 °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
Calorimetric heat release NFPA 130 (ASTM E 1354)	27,5 MJ/kg
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

Surge voltage test
Result	Test passed
Temperature-rise test
Requirement temperature-rise test	Increase in temperature ≤ 45 K
Result	Test passed
Short-time withstand current 1.5 mm²	0.18 kA
Result	Test passed
Power-frequency withstand voltage
Test voltage setpoint	1.89 kV
Result	Test passed

Mechanical data
Open side panel	Yes

Mechanical strength
Result	Test passed
Attachment on the carrier
Test force setpoint	1 N
Result	Test passed
Test for conductor damage and slackening
Rotation speed	10 rpm
Revolutions	135
Conductor cross section/weight	0.08 mm² / 0.1 kg
	1.5 mm² / 0.4 kg
Result	Test passed

Aging
Temperature cycles	192
Result	Test passed
Needle-flame test
Time of exposure	30 s
Result	Test passed
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	3031157
Packing unit	50 pc
Minimum order quantity	50 pc
Sales key	0163*
Product key	BE2114
Catalog page	Page 208 (C-1-2019)
GTIN	4017918186708
Weight per piece (including packing)	8.84 g
Weight per piece (excluding packing)	7.905 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
	300 V	15 A	26 - 14
Use group C
	300 V	15 A	26 - 14

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG	Cross section mm²
	500 V	17.5 A		0.2 - 1.5

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG	Cross section mm²
	500 V	17.5 A		0.2 - 1.5

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG
Use group B
	300 V	15 A	26 - 14
Use group C
	300 V	15 A	26 - 14
Use group D
	600 V	5 A	26 - 14

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG	Cross section mm²
Type examination certificate	440 V	15.5 A		0.08 - 1.5

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG	Cross section mm²
	440 V	15.5 A		0.08 - 1.5

Environmental product compliance

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%
EF3.0 Climate Change
CO2e kg	0.064 kg CO2e

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

STTB 1,5 - Double-level spring-cage terminal block

3031157

Product details

ECLASS

ETIM

UNSPSC

CSA

IECEE CB Scheme

KR

NK

VDE approval of drawings

cULus Recognized

DNV

ATEX

IECEx

CCC

EAC Ex

Compatible products

Your advantages

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

STTB 1,5 - Double-level spring-cage terminal block 3031157

Product details

ECLASS

ETIM

UNSPSC

Compatible products

FBS 2-4 - Plug-in bridge 3030116

FBS 3-4 - Plug-in bridge 3030129

FBS 4-4 - Plug-in bridge 3030132

FBS 5-4 - Plug-in bridge 3030145

FBS 10-4 - Plug-in bridge 3030158

FBS 20-4 - Plug-in bridge 3030352

FBS 2-4 BU - Plug-in bridge 3030117

FBS 3-4 BU - Plug-in bridge 3030130

FBS 4-4 BU - Plug-in bridge 3030133

FBS 5-4 BU - Plug-in bridge 3030146

FBS 10-4 BU - Plug-in bridge 3036851

FBS 20-4 BU - Plug-in bridge 3030353

FBS 2-4 GY - Plug-in bridge 3030118

FBS 3-4 GY - Plug-in bridge 3030131

FBS 4-4 GY - Plug-in bridge 3030134

FBS 5-4 GY - Plug-in bridge 3030147

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

D-STTB 2,5 - End cover 3030459

ATP-STTB 4 - Partition plate 3030747

STP 4-2 - Marker carriers 0810575

WST 1,5 - Warning cover 3030958

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

ZBF 4:UNBEDRUCKT - Zack Marker strip, flat 0808587

ZBF 4 CUS - Zack Marker strip, flat 0825023

ZBF 4,LGS:FORTL.ZAHLEN - Zack Marker strip, flat 0808626

ZBF 4,QR:FORTL.ZAHLEN - Zack Marker strip, flat 0808820

ZBF 4,LGS:GERADE ZAHLEN - Zack Marker strip, flat 0810818

ZBF 4,LGS:UNGERADE ZAHLEN - Zack Marker strip, flat 0810850

UC-TMF 4 - Marker for terminal blocks 0818166

UC-TMF 4 CUS - Marker for terminal blocks 0824630

UCT-TMF 4 - Marker for terminal blocks 0828742

UCT-TMF 4 CUS - Marker for terminal blocks 0829651

ISH 1,5/0,2 - Insulating sleeve 3206131

ISH 1,5/0,5 - Insulating sleeve 3031034

PAI-4 - Test adapter 3030925

PS-4 - Test plug 3030970

DP PS-4 - Spacer plate 3036712

CLIPFIX 35 - End bracket 3022218

CLIPFIX 35-5 - End bracket 3022276

E/NS 35 N - End bracket 0800886

E/UK - End bracket 1201442

E/UK 1 - End bracket 1201413

SZF 0-0,4X2,5 - Screwdriver 1204504

Your advantages

STTB 1,5 - Double-level spring-cage terminal block

3031157