SCHNEIDER STD100-250 Actuator module

Product Detailed Description

• Function:

• Motor Control: Primarily used to switch ON and OFF 3-phase AC motors. When the control coil is energized, the main power contacts close, allowing current to flow to the motor. When the coil is de-energized, the contacts open, disconnecting power.

• Resistive Load Switching (AC-1): Also suitable for switching resistive loads like heating elements, lighting, and capacitor banks.

• Remote Control: Enables remote or automatic control of loads via a low-power control signal to the coil.

• Safety Isolation: Provides electrical isolation of the motor or load from the power supply when the contacts are open.

• Key Features:

• 3-Pole Configuration: Designed specifically for 3-phase applications.

• Modular Design: Allows for easy addition of auxiliary contact blocks (front or side mounted), time delay blocks, transient suppressor modules, and mechanical interlocks.

• Coil Voltage Options: Available with a wide range of AC and DC coil voltages (standard AC, low-consumption AC/DC electronic coils) to match various control circuit requirements.

• Built-in Auxiliary Contacts: Most TeSys D contactors come with integrated 1 NO (Normally Open) + 1 NC (Normally Closed) auxiliary contacts for feedback, interlocking, or control circuit functions. The NC contact is often "mirror certified" for safety applications.

• Connection Options: Available with screw clamp terminals for robust and reliable connections, or spring-clamp terminals for faster, tool-less wiring (TeSys D Green series often features spring terminals).

• Mounting: Can be easily mounted on a DIN rail or fixed with screws directly onto a panel.

• High Performance: Designed for frequent operating rates (up to 3600 cycles/hour) and high mechanical/electrical durability.

• International Standards Compliance: Certified to multiple international standards (IEC, UL, CSA, CCC, EAC, Marine), ensuring global usability and acceptance.

• Green Premium Certified: Compliant with environmental directives like RoHS/REACH, emphasizing sustainability.

Product Parameters (Typical Ranges - specific values depend on the exact model/current rating)

• Poles Description: 3P (3 Normally Open main power contacts)

• Rated Operational Current (Ie):

• AC-3/AC-3e (Motor Control): Ranges from 9A up to 95A for the core TeSys D line (e.g., 9A, 12A, 18A, 25A, 32A, 40A, 50A, 65A, 80A, 95A at <= 440V AC).

• AC-1 (Resistive Load): Higher current ratings than AC-3 for non-inductive loads (e.g., 25A for a 9A AC-3 contactor).

• Rated Operational Voltage (Ue):

• Power Circuit: Up to 690 V AC (25...400 Hz), up to 300 V DC.

• Control Circuit: Varies based on coil (e.g., 24 V AC/DC, 110 V AC, 230 V AC, 380 V AC, 415 V AC, etc.).

• Motor Power (kW/hp): Corresponding motor power ratings based on voltage (e.g., 4kW @ 400V for a 9A AC-3 contactor, 45kW @ 400V for an 80A AC-3 contactor).

• Auxiliary Contact Composition: Typically 1 NO + 1 NC (built-in). Additional auxiliary contact blocks can be added.

• Control Circuit Consumption:

• Inrush Power: Varies by coil type and size (e.g., 25 VA for smaller AC coils).

• Hold-in Power: Varies by coil type and size (e.g., 1.6 VA for smaller AC coils, 1.1W for smaller electronic coils).

• Operating Time:

• Closing: Typically 45-55 ms.

• Opening: Typically 20-90 ms.

• Mechanical Durability: High, often 15 Million cycles or more.

• Electrical Durability: Varies significantly with load category and operating current (e.g., 1.4 to 1.65 Million cycles for AC-3 at rated current).

• Conventional Free Air Thermal Current (Ith): Specifies the maximum current a contactor can carry continuously without exceeding temperature limits (e.g., 25A for power circuit, 10A for signalling circuit).

• Rated Impulse Withstand Voltage (Uimp): 6 kV conforming to IEC 60947.

• IP Degree of Protection: IP20 (front face).

• Ambient Air Temperature:

• Operation: -40 °C to 60 °C (with derating up to 70 °C).

• Storage: -60 °C to 80 °C.

• Dimensions (W x H x D): Compact, for smaller sizes (e.g., 45mm x 77mm x 86mm for 9-38A range). Larger contactors in the series will have larger dimensions.

• Net Weight: Varies by model (e.g., 0.32 kg for smaller models).

• Standards: IEC 60947-4-1, EN 60947-4-1, UL 60947-4-1, CSA C22.2 No 14, etc.

Product Advantages

• High Reliability and Durability: Designed for long operational life, reducing maintenance and downtime.

• Versatility: Wide range of current ratings, coil voltages, and available accessories allows for customization to almost any application.

• Space-Saving Design: Compact footprint is ideal for modern control panels where space is often limited.

• Global Compliance: Multi-standard certifications ensure acceptance and easy integration worldwide.

• Ease of Installation and Maintenance: Intuitive design, clear terminal markings, and options like screw or spring terminals simplify wiring and upkeep.

• Integrated Auxiliary Contacts: Reduces the need for separate auxiliary relays in many applications.

• Optimized for Motor Control: Specifically designed to handle the inrush currents and dynamic loads associated with motor starting.

• Energy Efficiency (TeSys D Green): The "TeSys D Green" sub-range features electronic coils with very low holding consumption, contributing to energy savings.

• Safety Features: Includes "mirror contact" certification for the NC auxiliary contact, which is crucial for safety integrity levels (SIL) in machinery safety circuits.

Precautions

• Correct Selection: Always choose the contactor with the appropriate AC-3 or AC-1 current rating, coil voltage, and auxiliary contact configuration for your specific load and control circuit. Oversizing can be costly, undersizing leads to premature failure.

• Thermal Overload Relay: For motor protection, always pair the contactor with an appropriately sized thermal overload relay (e.g., TeSys LR D series) or a motor circuit breaker. The contactor itself provides switching, not overload protection.

• Wiring and Connections: Ensure all power and control wiring is done according to national and local electrical codes, using proper wire gauges and tightening torque for terminals. Loose connections can cause overheating and failure.

• Environmental Conditions: Install the contactor within its specified ambient temperature and humidity limits. Ensure adequate ventilation in the control panel to prevent overheating.

• Coil Voltage: Verify that the control voltage supplied to the contactor coil matches its rated coil voltage to ensure proper operation and prevent damage.

• Surge Protection: For AC coils, consider adding a transient suppressor module (RC circuit or varistor) if the control circuit is sensitive to voltage spikes or if the coil is frequently switched, to extend coil life and prevent interference.

• Mounting: Ensure the contactor is securely mounted on the DIN rail or via screws to prevent movement due to vibration.

• Accessory Compatibility: Use only Schneider Electric approved accessories (e.g., auxiliary contact blocks, mechanical interlocks) to ensure proper fit and performance.

Product Applications

Schneider TeSys D 3-pole contactors are ubiquitous in industrial and commercial settings due to their versatility and reliability. Common applications include:

• Motor Control:

• Starting and stopping 3-phase AC motors for pumps, fans, compressors, conveyors, mixers, and machine tools.

• Forming the main switching element in direct-on-line (DOL) starters, star-delta starters, and reversing starters (when paired with another contactor and mechanical/electrical interlocks).

• Resistive Heating: Switching resistive loads such as electric heaters, ovens, and furnaces.

• Lighting Control: Controlling large lighting banks in commercial buildings, factories, and public spaces.

• Capacitor Bank Switching: Used with appropriate damping reactors for switching power factor correction capacitor banks (requires specific models or accessories).

• HVAC Systems: Controlling motors for air handling units, chillers, and cooling towers.

• Packaging Machinery: Integral components in the control circuits of packaging lines.

• Water and Wastewater Treatment: Operating pumps and agitators.

• Material Handling: Controlling conveyors, hoists, and lifts.

• Building Automation: Used in various building management systems for controlling power to different loads.

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