STTB 2,5-R1K/O-U - Double-level spring-cage terminal block - 1032740

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

Rated surge voltage	6 kV
Maximum power dissipation for nominal condition	0.77 W

Number of connections per level	2
Nominal cross section	2.5 mm²
1st and 2nd level
Connection method	Spring-cage connection
Stripping length	8 mm ... 10 mm
Internal cylindrical gage	A3
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
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve	0.5 mm²
Nominal current	22 A
Maximum load current	26 A (with 4 mm² conductor cross-section)
Nominal voltage	500 V
Nominal cross section	2.5 mm²

Width	5.2 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
Test voltage setpoint	7.3 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	1.89 kV
Result	Test passed

Mechanical data
Open side panel	Yes

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 1, class B, body mounted
Frequency	f₁ = 5 Hz to f₂ = 150 Hz
ASD level	1.857 (m/s²)²/Hz
Acceleration	0.8g
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	5g
Shock duration	30 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 %

Item number	1032740
Packing unit	50 pc
Minimum order quantity	50 pc
Sales key	A1 - Terminal Strips
Product key	BE2173
GTIN	4055626537610
Weight per piece (including packing)	10,91 g
Weight per piece (excluding packing)	9,849 g
Customs tariff number	85369010
Country of origin	PL

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

STTB 2,5-R1K/O-U - Double-level spring-cage terminal block

1032740

Product details

ECLASS

ETIM

UNSPSC

Compatible products

Your advantages

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

STTB 2,5-R1K/O-U - Double-level spring-cage terminal block 1032740

Product details

ECLASS

ETIM

UNSPSC

Compatible products

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FBS 20-5 - Plug-in bridge 3030226

FBS 50-5 - Plug-in bridge 3038930

FBSR 2-5 - Plug-in bridge 3033702

FBSR 3-5 - Plug-in bridge 3001591

FBSR 4-5 - Plug-in bridge 3001592

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FBSR 10-5 - Plug-in bridge 3033710

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FBS 4-5 BU - Plug-in bridge 3036893

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

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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

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ZBF 5 CUS - Zack Marker strip, flat 0825025

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STTB 2,5-R1K/O-U - Double-level spring-cage terminal block

1032740