Phoenix Contact TB 2,5 B I BU Feed-Through Terminal Block

Technical Overview

Blue feed-through terminal block, 800V/24A, 0.5-4mm² wire, screw connection, DIN rail mount. Operating temperature -60°C to 110°C.

Key Features

Nominal voltage of 800 V and nominal current of 24 A.
Accommodates wire cross-sections from 0.5 mm² to 4 mm² (AWG 20-12).
Equipped with reliable screw connection technology for secure wiring.
Designed for standard DIN rail mounting (NS 35/7,5, NS 35/15, NS 32).
Blue color for easy identification within complex wiring systems.
High flammability rating of V0 according to UL 94.
Wide operating temperature range from -60 °C to 110 °C.

Technical Specification Matrix

Parameter	Value
Nominal voltage	800 V
Nominal current	24 A
Rated cross section	2.5 mm²
Connection cross section range	0.5 mm² - 4 mm²
Number of connections	2
Connection method	Screw connection
Mounting type	DIN rail (NS 35/7,5, NS 35/15, NS 32)
Rated surge voltage	8 kV
Flammability rating (UL 94)	V0
Operating temperature range	-60 °C to 110 °C
Color	Blue (RAL 5015)
Physical Weight (kg)	0.01
Dimensions L x W x H (cm)	0 x 0.52 x 0

Industrial Applications

1. Industrial Control Panels

This feed-through terminal block is ideal for organizing and connecting power and control wiring within industrial control panels. Its 800V/24A rating and robust screw connection ensure reliable power distribution and signal integrity for various machinery and automation systems.

Problem Solved

Provides secure, organized, and electrically safe termination points for multiple conductors in high-density control cabinets, preventing wiring errors and enhancing maintenance efficiency.

800V24AScrew connectionDIN rail mountControl cabinet

2. Building Automation Systems

Suitable for wiring complex building automation infrastructure, including HVAC controls, lighting systems, and security networks. The ability to handle 0.5 mm² to 4 mm² wires makes it versatile for different signal and power requirements within commercial buildings.

Problem Solved

Facilitates standardized, robust, and easily maintainable electrical connections for diverse building management components, ensuring long-term operational reliability and safety.

800V24ABuilding managementHVACLighting control

3. Machine and Equipment Wiring

Perfect for connecting sensors, actuators, and power supplies in various industrial machinery. The wide operating temperature range of -60 °C to 110 °C ensures dependable performance even in harsh machine environments.

Problem Solved

Offers a dependable and resilient connection solution for critical machine components, maintaining electrical integrity and safety under varying industrial temperatures and operational loads.

800V24AMachine wiringActuatorsSensorsWide temperature range