Siemens Contactor relay, screw, 4NO + 4NC, 110VAC, 50/60Hz

Product Overview

Contactor relay designed to EN 50011 standard with 44E designation, featuring 4 NO + 4 NC auxiliary contacts and screw terminal connections. Operates with AC control voltage of 110 V AC at 50/60 Hz, engineered for switching control signals in control circuits.

Key Features

The SIRIUS 3TH4 contactor relays are designed for auxiliary control applications where reliable switching of control signals is required. These 8-pole devices feature standard-compliant terminal designations and reliable connection technology. The multiplication of outputs enables simultaneous switching of up to 10 auxiliary circuits, making them ideal for complex control applications.

Technical Specifications

• Contact Configuration: 4 NO + 4 NC auxiliary contacts
• Control Supply Voltage: 110 V AC 50/60 Hz
• Contact Type: 44E designation per EN 50011
• Terminal Type: Screw terminals
• Rated Operational Current (Ie): 10 A at 400 V
• Number of Poles: 8-pole configuration
• Net Weight: 0.421 kg
• Package Dimensions: 83.00 x 141.00 x 48.00 mm

Design Features

The contacts are designed with positively driven operation suitable for safety applications as well as SUVA versions. The devices are climate-resistant and offer high contact reliability, making them suitable for worldwide use thanks to corresponding approvals including IEC and UL/CSA standards.

Applications

These auxiliary contactors are specifically designed for switching control signals in control circuits. They are ideal for:

• Control panel applications requiring multiple auxiliary circuits
• Safety control systems with positively driven contacts
• Industrial automation systems requiring reliable auxiliary switching
• Applications requiring simultaneous control of multiple circuits

Standards and Compliance

• Standard: DIN EN 50011
• EAN: 4011209047792
• UPC: 754554242712
• Country of Origin: China
• WEEE Take-Back Obligation: Yes
• Export Control Regulations: AL : N / ECCN : N

Physical Characteristics

• Packaging Quantity: 1 piece
• Quantity Unit: 1 piece
• Package Size Unit: MM
• Net Weight: 0.421 kg
• Protection Class: Suitable for industrial environments

Available Accessories

Compatible accessories include surge suppressors, time-delay blocks, and coupling links to enhance functionality and protection in various applications.

Download existing graphical data for this product:

• Technical Datasheet (PDF)
• 3TH4 Series Product Family Information
• Product Support Documentation