Siemens 3TB40 22-0XM0 Contactor – 25 A AC-1 / 9 A AC-3 / 3.3 A AC-4, Closed Arc-Chamber for Safe Operation

Product Overview

The Siemens 3TB4022-0XM0 is a high-performance three-pole AC contactor from the Siemens 3TB4 series of SIRIUS low-voltage switching devices, engineered for demanding motor control and power switching applications across industrial automation. Designed to operate at a steady AC 50 Hz frequency with a 220 V AC coil, the Siemens 3TB4022-0XM0 delivers a 9 A rated current at AC-3 utilization category and 400 V main circuit voltage, providing 4 kW of motor switching capability. Its core function is to enable remote switching of motor loads—starting, stopping, and reversing AC induction motors—while maintaining the safety, durability, and electrical integrity that define genuine Siemens engineering.As a member of the proven 3TB4 family, the Siemens 3TB4022-0XM0 embodies Siemens’s decades of expertise in electromagnetic switching technology. The device features a compact “Size 0” form factor with screw connection terminals, making it straightforward to integrate into control cabinets, motor control centers, and power distribution assemblies. The Siemens 3TB4022-0XM0 achieves an extraordinary mechanical endurance of 10 million operations and an electrical endurance of 1 million operations, a testament to its robust electromagnetic mechanism and uniquely designed main contact system that minimizes contact wear.Manufactured in China under Siemens’s strict quality regime, the Siemens 3TB4022-0XM0 currently holds PM300 “Active” product lifecycle status, ensuring ongoing availability for both new installations and replacement needs. With its conductive parts fully enclosed, unsaturated resin arc hood for superior arc resistance, and a closed arc chamber that minimizes arcing distance, the Siemens 3TB4022-0XM0 not only performs with precision but also enhances the safety profile of any control panel it inhabits. Fully compliant with IEC 60947-4-1, VDE 0660, and GB 14048 standards, the Siemens 3TB4022-0XM0 is the trusted choice for engineers who refuse to compromise on reliability.

Category: FUJI

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Description

Technical Specifications

Parameter Name	Parameter Value
Product Model	3TB4022-0XM0
Manufacturer	Siemens (SIRIUS Low-Voltage Switching Devices)
Product Type	3-Pole AC Contactor
Operating Frequency	AC 50 Hz
Coil Control Voltage	AC 220 V
Rated Insulation Voltage (Ui)	690–1000 V
Main Circuit Rated Voltage (Ue)	AC 400 V (AC-3)
Rated Current (AC-3, 400 V)	9 A
Rated Current (AC-1, ≤60°C)	25 A
Rated Current (AC-4)	3.3 A
Motor Power Rating (AC-3)	4 kW @ 400 V
Number of Main Poles	3 (3NO Main Contacts)
Auxiliary Contact Configuration	1NO + 1NC
Conventional Free-Air Thermal Current (Ith)	20 A
Connection Method	Screw Connection
Mechanical Life	10,000,000 Operations
Electrical Life (AC-3)	1,000,000 Operations
Coil Voltage Tolerance	70%–120% of Uc
Standards Compliance	IEC 60947-4-1, VDE 0660, GB 14048
Humidity Resistance	TH Treatment (Tropicalized for Humid Environments)
Net Weight	0.445 kg
Packaging Dimensions	48 × 82 × 106 mm
Product Lifecycle (PLM)	PM300: Active
Country of Origin	China
Mounting	DIN Rail / Screw Mount

Main Features and Advantages

The Siemens 3TB4022-0XM0 distinguishes itself through a combination of rugged construction, intelligent design, and operational versatility that makes it a cornerstone component in industrial motor control. At the heart of its design philosophy is the uniquely structured main contact system, where the Siemens 3TB4022-0XM0 employs specially shaped contacts that distribute electrical arc energy evenly, dramatically reducing contact wear and extending electrical life to 1 million switching cycles. This translates directly into lower maintenance costs and reduced unplanned downtime for plant operators.Exceptional endurance and reliability:The Siemens 3TB4022-0XM0 achieves a remarkable 10 million mechanical operations, a figure that places it among the most durable contactors in its class. The electromagnetic drive mechanism of the Siemens 3TB4022-0XM0 operates with minimal losses, producing low noise and high mechanical strength, while delivering precise, repeatable switching action throughout its service life. Even under demanding operating conditions, the Siemens 3TB4022-0XM0 maintains consistent performance thanks to its robust Siemens engineering heritage.Advanced safety and arc management:Safety is paramount in the design of the Siemens 3TB4022-0XM0. Its conductive parts remain fully enclosed, eliminating exposure risks to personnel. The arc hood is constructed from unsaturated resin material with excellent arc resistance—it will not shatter or degrade under repeated arcing events. The closed arc chamber design of the Siemens 3TB4022-0XM0 confines arc flash to a minimal distance, allowing control cabinet designers to reduce enclosure dimensions without compromising safety clearances.Flexible control voltage tolerance:The Siemens 3TB4022-0XM0 accepts coil control voltages ranging from 70% to 120% of its rated 220 V AC, ensuring reliable pickup and hold even under fluctuating supply conditions. This wide tolerance makes the Siemens 3TB4022-0XM0 resilient in industrial environments where voltage dips and surges are common. The 50 Hz coil frequency is optimized for the majority of global power systems, and the tropicalized (TH) treatment allows the Siemens 3TB4022-0XM0 to perform reliably in hot, humid climates.Modular expandability:The Siemens 3TB4022-0XM0 can be easily expanded with snap-on accessory modules, including additional auxiliary contacts, on-delay and off-delay timing contacts, and mechanical interlocks. This modularity enables the Siemens 3TB4022-0XM0 to be quickly configured into reversible contactor combinations and star-delta starters, adapting to complex motor control schemes without requiring a complete device change-out.Compact footprint with high performance:Despite its “Size 0” compact dimensions, the Siemens 3TB4022-0XM0 packs impressive switching capability—handling 9 A at AC-3 (400 V), 25 A at AC-1, and 3.3 A at AC-4 utilization categories. This versatility means the Siemens 3TB4022-0XM0 can serve multiple roles within a single control panel, from motor starting to capacitor switching to resistive load control, maximizing the value of every installed unit.