USSB 4 - Double-level terminal block - 1748850

Product type	Multi-level terminal block
Product family	US
Number of positions	2
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	1.02 W

Number of connections per level	2
Nominal cross section	4 mm²
1st and 2nd level
Screw thread	M3
Tightening torque	0.6 ... 0.8 Nm
Stripping length	8 mm
Connection in acc. with standard	IEC 60947-7-1
Conductor cross section rigid	0.2 mm² ... 4 mm²
Cross section AWG	24 ... 12 (converted acc. to IEC)
Conductor cross section flexible	0.2 mm² ... 4 mm²
Conductor cross section, flexible [AWG]	24 ... 12 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)	0.25 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)	0.25 mm² ... 2.5 mm²
Cross-section with insertion bridge, rigid	4 mm²
Cross-section with insertion bridge, flexible	2.5 mm²
2 conductors with same cross section, solid	0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible	0.2 mm² ... 1.5 mm²
2 conductors with same cross section, flexible, with ferrule without plastic sleeve	0.25 mm² ... 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve	0.5 mm² ... 1.5 mm²
Nominal current	32 A
Maximum load current	32 A (with 4 mm² conductor cross section)
Nominal voltage	1000 V
Nominal cross section	4 mm²

Width	6.2 mm
Height	60.8 mm
Depth	62.8 mm
Depth on NS 35/7,5	63.5 mm
Depth on NS 35/15	71 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
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

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 %

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

Item number	1748850
Packing unit	50 pc
Minimum order quantity	50 pc
Sales key	#####
Product key	BE1214
GTIN	4067923313118
Weight per piece (excluding packing)	22.22 g
Country of origin	CN

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

USSB 4 - Double-level terminal block

1748850

Product details

ECLASS

ETIM

Compatible products

Your advantages

EU RoHS
Fulfills EU RoHS substance requirements	Yes (No exemptions)
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.)	No substance above 0.1 wt%

Mechanical data
Open side panel	Yes

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

USSB 4 - Double-level terminal block 1748850

Product details

ECLASS

ETIM

Compatible products

ISSBI 10- 6 - Bridge 0301505

FBI 10- 6 - Fixed bridge 0203250

FBI 20- 6 - Fixed bridge 0201867

FBI 100- 6 - Fixed bridge 0201650

EB 2- 6 - Insertion bridge 0201155

EB 3- 6 - Insertion bridge 0201142

EB 10- 6 - Insertion bridge 0201139

SBRN 2-7 - Bridge bar 1413230

USBR 2-7 - Bridge bar 2303239

DP-UKK 3/5 - Spacer plate 2770794

TS-KK 3 - Separating plate 2770215

ATP-UKK 3/5 - Partition plate 2778521

SBS 6:UNBEDRUCKT - Marker card 1007222

IS-K 4 - Bridge bar isolator 1302338

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

UCT-TM 6 CUS - Marker for terminal blocks 0829602

Your advantages

USSB 4 - Double-level terminal block

1748850