Name: Weidmuller A2C 2.5 BL Feed-Through Terminal Block - INOSAKI
SKU: Weidmuller-1521880000
Price: 0.70 USD
Availability: InStock

Technical Overview

Feed-through terminal block featuring PUSH IN connection technology housed in blue Wemid insulation, typically utilized for neutral or intrinsically safe circuits. It supports a rated voltage of 800 V and current of 24 A (IEC) with a compact 5.1 mm width for TS 35 DIN rail mounting.

Key Features

PUSH IN connection technology for tool-free wiring of solid wires and ferrules
Blue Wemid housing for identification of neutral or intrinsically safe circuits
Compact 5.1 mm width optimizes rail space usage
Rated for 800 V and 24 A (IEC), 600 V and 20 A (UL/CSA)
Wide operating temperature range of -60 °C to 130 °C
Certified for hazardous locations (ATEX, IECEx)
V-0 Flammability rating according to UL 94
Standard TS 35 DIN rail mounting

Technical Specification Matrix

Technical Parameter	Specification
Width (inches)	0.201 inch
Height (inches)	2.165 inch
Depth (inches)	1.437 inch
Depth including DIN rail	37 mm
Material	Wemid
Colour	Blue
Operating Temperature Range	-60 °C to 130 °C
Rated Cross-Section	2.5 mm²
Rated Voltage (IEC)	800 V
Rated Current (IEC)	24 A
Rated Impulse Withstand Voltage	8 kV
Volume Resistance	1.33 mΩ
Power Loss	0.77 W
Connection Type	PUSH IN
Stripping Length	10 mm
Clamping Range	0.14 mm² - 2.5 mm²
Wire Connection Cross Section AWG	AWG 28 - AWG 12
Voltage (UL/CSA Group B, C)	600 V
Current (UL/CSA Group B, C)	20 A
Max Voltage (ATEX/IECEx)	550 V
Max Current (ATEX/IECEx)	20 A
Marking EN 60079-7	Ex eb II C Gb
Flammability Rating	UL 94 V-0
Standards	IEC 60947-7-1
ETIM 7.0	EC000897
ECLASS 11.0	27-14-11-20
Width	5.1 mm
Height	55 mm
Depth	36.5 mm
Blade Size	0.6 x 3.5 mm
Net weight	6.4 g

Industrial Applications

1. Intrinsically Safe Circuit Identification

Deployed in hazardous areas (Ex eb II C Gb) where the specific blue housing visually distinguishes intrinsically safe circuits from standard power lines, ensuring compliance with safety standards.

Problem Solved

Provides mandatory visual segregation and secure, vibration-proof connectivity for critical safety circuits in explosive atmospheres.

Ex eb II C GbIntrinsically safeBlue housingHazardous locations

2. High-Density Control Cabinet Neutral Wiring

Used in space-restricted control cabinets for distributing neutral conductors, leveraging the 5.1 mm pitch to maximize channel density on standard TS 35 rails.

Problem Solved

Optimizes valuable rail space while handling standard control currents up to 24 A without compromising insulation properties.

Neutral conductorRail density5.1 mm pitchControl cabinet

3. Vibration-Proof Machinery Automation

Integrated into robotics and heavy machinery subject to constant mechanical stress, utilizing the stainless steel spring of the PUSH IN connection to maintain contact force.

Problem Solved

Eliminates signal intermittency and the need for periodic torque maintenance associated with screw terminals in high-vibration environments.

PUSH IN technologyVibration resistanceMaintenance-freeRobotics