Phoenix Contact TB 2,5 I Feed-Through Terminal Block, 2.5 mm², Dark Gray – 3246311

Description

Product Overview
The Phoenix Contact TB 2,5 I feed-through terminal block provides a secure connection point for electrical wiring in industrial and commercial installations. It belongs to the Phoenix Contact TB terminal block family and is designed for DIN rail mounting in suitable electrical enclosures and control cabinets.
Its screw-connection design helps hold conductors securely, while the compact terminal body supports organized wiring in electrical panels, machinery, and industrial automation systems.
Technical Specifications
Specification Details
Brand Phoenix Contact
Model TB 2,5 I
Manufacturer item number 3246311
Product type Feed-through terminal block
Nominal cross-section 2.5 mm²
Nominal voltage 800 V*
Nominal current 24 A
Connection method Screw connection
Number of connections 2
Number of positions 1
Rigid conductor range 0.5–4 mm²
Flexible conductor range 0.5–2.5 mm²
Colour Dark gray, RAL 7043
Insulating material Polyamide (PA)
Flammability rating UL 94 V0
Mounting NS 35/7.5, NS 35/15 and NS 32 DIN rails
Dimensions 5.2 mm wide × 42.5 mm high
Stripping length 7 mm
Screw thread M2.5
Tightening torque 0.4–0.5 Nm
*The manufacturer specifies 800 V nominal voltage, with a 630 V rating for a 4 mm² connection. Verify the applicable conductor and installation conditions before use.

Phoenix Contact
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Key Features and Benefits
– Reliable screw connection: Helps secure conductors in electrical assemblies.
– Compact construction: Supports organized wiring where panel space is limited.
– DIN rail mounting: Compatible with the specified NS 35 and NS 32 mounting rails.
– Industrial insulation: Polyamide housing with UL 94 V0 flammability classification.
– Practical wiring capacity: Supports compatible rigid conductors from 0.5 to 4 mm² and flexible conductors from 0.5 to 2.5 mm².
– Recognizable terminal design: Dark-gray housing supports consistent identification in control panels.
Applications
The Phoenix Contact TB 2,5 I terminal block is suitable for applications such as:
– Industrial automation and control cabinets.
– Electrical distribution and wiring panels.
– Machinery and equipment wiring.
– Building electrical control assemblies.
– Industrial maintenance and panel-building projects.
– DIN rail-mounted terminal block installations.
Installation and Compatibility Guidance
Before installation, verify the conductor cross-section, current rating, voltage requirements, and DIN rail compatibility. Prepare the conductor to the specified 7 mm stripping length and tighten the screw connection to the manufacturer’s recommended torque of 0.4–0.5 Nm.
Electrical installation should be carried out by a qualified professional, following applicable electrical standards and the manufacturer’s instructions.
UAE Availability and Quotation
Dynavation Star Electrical Fittings Trading LLC supplies electronic components and industrial electrical products for buyers across the UAE. Contact the team to enquire about the Phoenix Contact TB 2,5 I feed-through terminal block, item number 3246311, and confirm current pricing and availability.
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