PHOENIX CONTACT STIO 2,5/3-PE/B/L STIO 2,5/3-PE/B/L 3209044 PHOENIX CONTACT Installation ground terminal block View larger
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STIO 2,5/3-PE/B/L 3209044 PHOENIX CONTACT Installation ground terminal block

STIO 2,5/3-PE/B/L

3209044

PHOENIX CONTACT

50 Pcs.

Installation ground terminal block Ground terminal for distribution, nominal voltage: 250 V, nominal current: 18 A, number of connections: 4, connection type: Spring connection, Dimensioning cross-section: 2.5 mm², cross-section: 0.08 mm² - 4 mm², mounting class: NS 35/7.5, NS 35/15, colour: grey Installation ground terminal block, nom. voltage: 250 V, nominal current: 18 A, number of connections: 4, 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

Automation > Sensor/actuator terminal block
Modular TBs

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Product Overview

The Phoenix Contact STIO 2,5/3-PE/B/L is an Installation ground terminal block designed for structured signal distribution in industrial control panels. It is typically used to safely route sensor and actuator wiring while establishing reliable protective conductor connections to the DIN rail.

Pricing, availability and lead time are confirmed per enquiry through an RFQ.

  • Product type: Sensor/actuator terminal block
  • Number of connections: 4
  • Number of rows: 3
  • Data management status Article revision: 01
  • Insulation characteristics Overvoltage category: III
  • Degree of pollution: 3
  • Rated surge voltage: 4 kV
  • Maximum power dissipation for nominal condition: 0.77 W
  • Grounding foot: Yes
  • Number of connections per level: 2
  • Nominal cross section: 2.5 mm²
  • Note: Please observe the current carrying capacity of the DIN rails.
  • Stripping length: 8 mm ... 10 mm
  • Internal cylindrical gage: A3
  • Connection in acc. with standard: IEC 60947-7-1/IEC 60947-7-2
  • Conductor cross section rigid: 0.08 mm² ... 4 mm²

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Technical data

Product properties
Product typeSensor/actuator terminal block
Number of connections4
Number of rows3
Data management status
Article revision01
Insulation characteristics
Overvoltage categoryIII
Degree of pollution3

Electrical properties
Rated surge voltage4 kV
Maximum power dissipation for nominal condition0.77 W

Connection data
Grounding footYes
Number of connections per level2
Nominal cross section2.5 mm²
NotePlease observe the current carrying capacity of the DIN rails.
Stripping length8 mm ... 10 mm
Internal cylindrical gageA3
Connection in acc. with standardIEC 60947-7-1/IEC 60947-7-2
Conductor cross section rigid0.08 mm² ... 4 mm²
Cross section AWG28 ... 12 (converted acc. to IEC)
Conductor cross section flexible0.08 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 sleeve0.5 mm²
Nominal current18 A
Maximum load current18 A (with 4 mm² conductor cross section)
Nominal voltage250 V
Nominal cross section2.5 mm²

Dimensions
Width5.2 mm
End cover width2.2 mm
Height75 mm
Depth on NS 35/7,544.5 mm
Depth on NS 35/1552 mm

Material specifications
Colorgray (RAL 7042)
Flammability rating according to UL 94V0
Insulating material groupI
Insulating materialPA
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) R22HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26HL 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

Electrical tests
Surge voltage test
Test voltage setpoint4.8 kV
ResultTest passed
Temperature-rise test
Requirement temperature-rise testIncrease in temperature ≤ 45 K
ResultTest passed
Short-time withstand current 2.5 mm²0.3 kA
ResultTest passed
Power-frequency withstand voltage
Test voltage setpoint1.5 kV
ResultTest passed

Mechanical properties
Mechanical data
Open side panelYes

Mechanical tests
Mechanical strength
ResultTest passed
Attachment on the carrier
DIN rail/fixing supportNS 35
Test force setpoint1 N
ResultTest passed
Test for conductor damage and slackening
Rotation speed10 rpm
Revolutions135
Conductor cross section/weight0.08 mm² / 0.1 kg
2.5 mm² / 0.7 kg
4 mm² / 0.9 kg
ResultTest passed

Environmental and real-life conditions
Aging
Temperature cycles192
ResultTest passed
Needle-flame test
Time of exposure30 s
ResultTest 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, no longer than 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 %

Standards and regulations
Connection in acc. with standardIEC 60947-7-1/IEC 60947-7-2

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

Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.