Feed-through terminal block - ST 2,5-TWIN
3031241

Feed-through terminal block, nom. voltage: 800 V, nominal current: 24 A, connection method: Spring-cage connection, Rated cross section: 2.5 mm2, cross section: 0.08 mm2 - 4 mm2, mounting type: NS 35/7,5, NS 35/15, color: gray


Product Details




General
Note The max. load current must not be exceeded by the total current of all connected conductors.

Product type Multi-conductor terminal block
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 0.77 W

Number of connections per level 3
Nominal cross section 2.5 mm²
Level 1 above 1+2 below 1
Stripping length 8 mm ... 10 mm
Internal cylindrical gage A3
Conductor cross section solid 0.08 mm² ... 4 mm²
Cross section AWG 28 ... 12
Conductor cross section flexible 0.08 mm² ... 2.5 mm²
Conductor cross section, flexible [AWG] 28 ... 14
Flexible conductor cross section flexible (ferrule, w/o 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 24 A
Maximum load current 28 A (with 4 mm² conductor cross-section)
Nominal voltage 800 V
Nominal cross section 2.5 mm²

Rated data (ATEX/IECEx)
ATEX certificate KEMA 00 ATEX 2052 U
IEC Ex certificate IECEx  KEM 06.0051 U
Identification  II 2 GD  Ex eb IIC Gb
Operating temperature range -60 °C ... 110 °C
Ex-certified accessories 3030488 D-ST 2,5-TWIN
3030789 ATP-ST-TWIN
3036602 DS-ST 2,5
1204517 SZF 1-0,6X3,5
3022276 CLIPFIX 35-5
3022218 CLIPFIX 35
Bridge data 22.5 A / 2.5 mm²
Ex temperature increase 40 K (23.4 A / 2.5 mm²)
Rated voltage 550 V
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
Ex level General
Rated current 21 A
Maximum load current 24.5 A
Contact resistance 1.08 mΩ
Ex connection data General
Nominal cross section 2.5 mm²
Rated cross section AWG 14
Connection capacity rigid 0.08 mm² ... 4 mm²
Connection capacity AWG 28 ... 12
Connection capacity flexible 0.08 mm² ... 2.5 mm²
Connection capacity AWG 28 ... 14

Width 5.2 mm
End cover width 2.2 mm
Height NS 35/15 44 mm
Height NS 35/7,5 36.5 mm
Height 1.437 "
Length 60.5 mm

Color gray
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
Test passed
Short-time withstand current 2.5 mm² 0.3 kA
Result Test passed
Power-frequency withstand voltage
Test voltage setpoint 2 kV
Result Test passed

Mechanical data
Open side panel Yes

Mechanical strength
Result Test passed
Attachment on the carrier
DIN rail/fixing support NS 32/NS 35
Test force setpoint 1 N
Result Test passed
Test for conductor damage and slackening
Rotation speed 10 (+/- 2) rpm
Revolutions 135
Conductor cross section/weight 0.14 mm² / 0.2 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 Service 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 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 ... 105 °C (max. short-term operating temperature 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 (storage/transport) 30 % ... 70 %

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

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

Item number 3031241
Packing unit 1 pc
Minimum order quantity 50 pc
Sales Key B02
Product Key BE2112
Catalog Page Page 211 (C-1-2019)
GTIN 4017918186753
Weight per Piece (including packing) 7.832 g
Weight per Piece (excluding packing) 6.911 g
Customs tariff number 85369010
Country of origin DE


ECLASS

ECLASS-9.0 27141120
ECLASS-10.0.1 27141120
ECLASS-11.0 27141120

ETIM

ETIM 8.0 EC000897

UNSPSC

UNSPSC 21.0 39121400

CSA

Approval ID: 13631
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2
Use group B
600 V 20 A 28 - 12
Use group C
600 V 20 A 28 - 12

IECEE CB Scheme

Approval ID: DE1-66179
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2
800 V 24 A 0.2 - 2.5

LR

Approval ID: LR2014888TA
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2

KR

Approval ID: HMB17372-EL002

NK

Approval ID: 09 ME 140
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2

RS

Approval ID: 17.00013.272

BV

Approval ID: 13403/D0 BV
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2

VDE Zeichengenehmigung

Approval ID: 40009033
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2
800 V 24 A 0.2 - 2.5

cULus Recognized

Approval ID: E60425
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2
Use group B
600 V 20 A 28 - 12
Use group C
600 V 20 A 28 - 12

DNV

Approval ID: TAE00001CS
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2

ATEX

Approval ID: KEMA00ATEX2052U

EAC Ex

Approval ID: RU C-DE.HA91.B.00066

IECEx

Approval ID: IECEx KEM 06.0051U

CCC

Approval ID: 2020322313000621

NEPSI

Approval ID: GYJ20.1193U

China RoHS Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values

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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