Wago 284-621 Distribution Terminal Block

Technical Overview

High-current distribution terminal block for DIN rail with 800V/125A rating, featuring CAGE CLAMP and screw connections for diverse wire sizes.

Key Features

DIN-rail mountable (35 x 15 and 35 x 7.5).
Features CAGE CLAMP® and screw connection technologies.
Three CAGE CLAMP® connections for 0.2-10 mm² (24-8 AWG) solid and fine-stranded conductors.
One screw-clamp connection for 0.5-35 mm² (10-2 AWG) solid and fine-stranded conductors.
Rated voltage of 800 V (IEC/EN) and 600 V (UL/CSA).
Rated current of 125 A (IEC), 115 A (UL), and 110 A (CSA).
Vibration-proof and maintenance-free connections.
Horizontal design with lateral marker slots.
Insulation material: Polyamide (PA66) with UL94 V0 flammability class.
Continuous operating temperature range: -60 °C to +105 °C.

Technical Specification Matrix

Parameter	Value
Rated Voltage (IEC/EN)	800 V
Rated Voltage (UL/CSA)	600 V
Rated Impulse Voltage	8 kV
Rated Current (IEC)	125 A
Rated Current (UL)	115 A
Rated Current (CSA)	110 A
Wire Size (CAGE CLAMP®)	0.2 ... 10 mm² (24 ... 8 AWG)
Wire Size (Screw Connection)	0.5 ... 35 mm² (10 ... 2 AWG)
Connection Technology	CAGE CLAMP® and Screw Connection
Number of Connection Points	4 (3 x CAGE CLAMP®, 1 x Screw)
Number of Potentials	1
Mounting Type	DIN-35 Rail (35 x 15 and 35 x 7.5)
Insulation Material	Polyamide (PA66)
Flammability Class (UL94)	V0
Continuous Operating Temperature	-60 … +105 °C
Torque (Screw Connection)	3.5 Nm
Strip Length	12 … 14 mm (0.47 … 0.55 inches)
Color	Gray
Physical Weight (kg)	0.06
Dimensions L x W x H (cm)	8.9 x 1.75 x 3.95

Industrial Applications

1. Industrial Control Cabinet Power Distribution

The WAGO 284-621 terminal block efficiently distributes high-current power within industrial control cabinets, providing a centralized and secure connection point for various electrical loads.

Problem Solved

Provides a flexible and robust solution for distributing varying current loads to multiple devices within a compact industrial enclosure, accommodating both smaller control wiring and larger power feeders.

Industrial controlPower distributionDIN railCAGE CLAMPHigh currentPanel wiring800V125A0.2-35 mm² wire

2. Renewable Energy System Wiring

Ideal for managing DC power distribution in renewable energy systems, such as solar inverter installations, where high voltage and current ratings are critical, and diverse conductor sizes need to be connected reliably.

Problem Solved

Ensures safe and reliable high-voltage, high-current connections in solar power generation and distribution, robustly handling the connection of different conductor cross-sections in potentially demanding environmental conditions.

Renewable energySolar inverterDC powerHigh voltageHigh currentRobust connectionTemperature range (-60 to +105 °C)800V125AV0 flammability

3. Machine Building for Motor and Load Connections

Serves as a consolidated power distribution point in machine building, allowing for the connection of various motor sizes and loads using its mixed CAGE CLAMP® and screw connection technologies, optimizing space and maintainability.

Problem Solved

Consolidates power and control wiring for diverse machine components into a single, space-efficient, and easily maintainable distribution point, accommodating the different wire gauges required for motors, heaters, and other actuators.

Machine buildingMotor controlLoad connectionWire gauge flexibilitySpace savingIndustrial machineryDIN rail125A17.5mm width