PHOENIX CONTACT PT 4-TWIN BU spring terminal block, 0.2 mm² – 6 mm², blue

Product type: Multi-conductor terminal block

Product series: PT

Applications:

• Railway industry
• Machine manufacturing
• Factory engineering
• Process industry

Insulation characteristics

• Overvoltage category: III
• Pollution degree: 3
• Rated impulse voltage: 8 kV
• Max. power under rated conditions: 1.02 W

Connection data

• Number of connections: 3
• Number of rows: 1
• Number of potentials: 1
• Rated cross-section: 4 mm²
• Connection type: Push-in connection
• Stripping length: 10–12 mm
• Complies with: IEC 60947-7-1
• Solid wire cross-section: 0.2–6 mm² (AWG 24–10)
• Flexible wire cross-section: 0.2–6 mm² (AWG 24–10)
• Flexible (ultrasonically welded) wire: 0.34–6 mm² (AWG 22–10)
• Flexible wire with ferrule (without plastic sleeve): 0.25–4 mm²
• Flexible wire with ferrule (with plastic sleeve): 0.25–4 mm²
• Two wires with TWIN ferrule: 0.5–1 mm²
• Rated current: 32 A
• Max. load current: 36 A (with 6 mm² wire)
• Rated voltage: 800 V

ATEX / IECEx data

• Marking: II 2 G Ex eb IIC Gb
• Operating temperature: -60 °C ... +85 °C / -40 °C ... +110 °C
• EX-certified accessories: 3208977 D-PT 4-TWIN, 3030789 ATP-ST-TWIN, 1204517 SZF 1-0,6X3,5, 3022276 CLIPFIX 35-5, 3022218 CLIPFIX 35

Bridge information

• 25 A (4 mm²)
• Bridge voltage: 550 V
• Non-adjacent terminal bridge voltage: 352 V
• Shortened bridge voltage: 220–550 V (depending on cover or partition)

Insulation data

• Rated insulation voltage: 500 V
• Rated voltage: 550 V
• Rated current: 26 A (4 mm²)
• Max. load current: 30 A (6 mm²)
• Contact resistance: 0.64 mΩ

Mechanical data

• Width: 6.2 mm
• End cover width: 2.2 mm
• Height: 66.5 mm
• Depth (NS 35/7.5): 36.5 mm
• Depth (NS 35/15): 44 mm
• Color: Blue (RAL 5015)
• Material: PA (polyamide)
• Flammability rating (UL 94): V0
• Insulation material group: I
• Cold resistance: down to -60 °C
• Temperature index (UL 746 B): 130 °C

Fire protection standards (DIN EN 45545-2)

• R22 / R23 / R24 / R26: HL1 – HL3
• NFPA 130 tests: Flammability – passed; Smoke density – passed; Smoke toxicity – passed

Testing

• Overvoltage test: 9.8 kV – passed
• Temperature rise test: ≤45 K – passed
• Short-term current load (4 mm²): 0.48 kA – passed
• Short-term current load (6 mm²): 0.72 kA – passed
• Mechanical resistance, vibration, shock, aging tests – passed

Environmental conditions

• Operating temperature: -60 °C ... +110 °C
• Storage temperature: -25 °C ... +60 °C
• Installation / operation temperature: -5 °C ... +70 °C
• Permissible humidity (operation): 20–90 %
• Permissible humidity (storage): 30–70 %

Mounting

• Mounting type: NS 35/7.5 or NS 35/15 DIN rail
• Complies with: IEC 60947-7-1