STU 2,5-TWIN BU - Feed-through terminal block - 3033029

Product type	Hybrid terminal block
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	0.77 W

Number of connections per level	3
Nominal cross section	2.5 mm²
Level 1 above 1+2
Stripping length	8 mm ... 10 mm
Connection in acc. with standard	IEC 60947-7-1
Conductor cross section rigid	0.08 mm² ... 4 mm²
Cross section AWG	28 ... 12 (converted acc. to IEC)
Conductor cross section flexible	0.08 mm² ... 2.5 mm²
Conductor cross section, flexible [AWG]	28 ... 14 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)	0.14 mm² ... 2.5 mm²
Flexible conductor cross section (ferrule with plastic sleeve)	0.14 mm² ... 2.5 mm²
Nominal current	24 A
Maximum load current	28 A (The maximum load current must not be exceeded by the total current of all connected conductors.)
Nominal voltage	800 V
Nominal cross section	2.5 mm²
Level 1 below 1
Screw thread	M3
Tightening torque	0.6 ... 0.8 Nm
Connection in acc. with standard	IEC 60947-7-1
Conductor cross section rigid	0.14 mm² ... 4 mm²
Cross section AWG	26 ... 12 (converted acc. to IEC)
Conductor cross section flexible	0.14 mm² ... 2.5 mm²
Conductor cross section, flexible [AWG]	26 ... 14 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)	0.25 mm² ... 2.5 mm²
Flexible conductor cross section (ferrule with plastic sleeve)	0.5 mm² ... 1.5 mm²
Conductor cross-section flexible (2 conductors with the same cross-section, with TWIN ferrule and plastic sleeve)	0.5 mm² ... 1.5 mm²
2 conductors with same cross section, solid	0.14 mm² ... 1.5 mm²
2 conductors with same cross section, flexible	0.14 mm² ... 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve	0.25 mm² ... 1.5 mm²
Nominal current	24 A
Maximum load current	28 A (with 4 mm² conductor cross section)
Nominal voltage	800 V
Nominal cross section	2.5 mm²

Width	5.2 mm
End cover width	2.2 mm
Height	65.3 mm
Depth on NS 35/7,5	42.8 mm
Depth on NS 35/15	50.3 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
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))	130 °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)	28 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
Test voltage setpoint	9.8 kV
Result	Test passed
Temperature-rise test
Requirement temperature-rise test	Increase in temperature ≤ 45 K
Result	Test passed
Short-time withstand current 2.5 mm²	0.3 kA
Short-time withstand current 4 mm²	0.48 kA
Result	Test passed
Power-frequency withstand voltage
Test voltage setpoint	2 kV
Result	Test passed

Mechanical strength
Result	Test passed
Attachment on the carrier
DIN rail/fixing support	NS 35
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
		2.5 mm² / 0.7 kg
		4 mm² / 0.9 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 %

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

STU 2,5-TWIN BU - Feed-through terminal block

3033029

Product details

ECLASS

ETIM

UNSPSC

Compatible products

Your advantages

Item number	3033029
Packing unit	50 pc
Minimum order quantity	50 pc
Sales key	BE2
Product key	BE2119
GTIN	4017918960674
Weight per piece (including packing)	9.432 g
Weight per piece (excluding packing)	9.522 g
Customs tariff number	85369010
Country of origin	PL

EU RoHS
Fulfills EU RoHS substance requirements	Yes
Exemption	6(c)
China RoHS
Environment friendly use period (EFUP)	EFUP-50 An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required.
EU REACH SVHC
REACH candidate substance (CAS No.)	Lead (CAS: 7439-92-1)
SCIP	4de6e9f4-1b56-4f77-ac65-ea5425eb71a1

Mechanical data
Open side panel	Yes

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

STU 2,5-TWIN BU - Feed-through terminal block 3033029

Product details

ECLASS

ETIM

UNSPSC

Compatible products

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STU 2,5-TWIN BU - Feed-through terminal block

3033029