Description

ABB SACO16D1 Modular Contactor

Product Overview

The ABB SACO16D1 is a 1-pole (1P) power contactor from ABB’s highly versatile and widely adopted SACO (System Accessory) modular contactor series. Designed for switching single-phase or DC electrical loads, this device is a fundamental component in industrial, commercial, and building automation control panels. As a modular unit, it is the core building block of the SACO system, designed to seamlessly integrate with a range of snap-on accessories such as auxiliary contact blocks, mechanical interlocks, and pneumatic timers.

The SACO16D1 features 1 main power pole (contact) rated for 16A. The “D1” suffix is critical and primarily denotes the coil voltage; in the SACO series, D1 commonly represents a 24V AC/DC coil. The “16” in the model name indicates its rated thermal current of 16 Amperes. It is controlled by a low-voltage signal applied to its coil, enabling the remote or automated switching of loads such as small motors, heaters, lighting circuits, solenoids, and other single-phase equipment.

Technical Specifications

Parameter	Specification
Model	SACO16D1
Manufacturer	ABB
Type	1-pole (1P) Modular Power Contactor
Rated Operational Current (Iₑ)	16 A at AC-1 duty (resistive loads, e.g., heaters). ~4 kW at 230V AC. Lower values for motor loads (AC-3) – typically ~3 kW (4 HP) at 230V AC. Consult official datasheet for precise derating curves.
Rated Operational Voltage (Uₑ)	Up to 690V AC, 50/60 Hz. Also suitable for DC switching (check DC ratings separately).
Thermal Current (Ith)	16 A
Poles	1 Main Pole (NO – Normally Open). Can be used as a single-pole switch or combined with other contactors for multi-phase applications.
Coil Voltage (Code D1)	24V AC/DC (Common industrial control voltage. Always verify the voltage marking (e.g., 24V 50/60Hz) on the coil itself before connection).
Coil Power Consumption	Approx. 4 VA (AC) / 2.5 W (DC) – typical values.
Mechanical Life	>10 million operations
Electrical Life	>1 million operations (AC-3)
Mounting	Snap-on mounting on 35 mm DIN rail (EN 60715).
Terminals	Screw-clamp terminals for main power and coil connections.
Modular System Compatibility	Designed to accept standard SACO series snap-on accessories from both sides: • Auxiliary Contact Blocks (e.g., SACO A11: 1NO+1NC, SACO A10: 2NO) • Mechanical Interlock Kits (e.g., SACO VM, for connecting two contactors) • Pneumatic Timer Attachments (e.g., SACO PV, for on/off delays) • Surge Suppression Modules (for DC coil applications)

SA168K16

Main Features and Advantages

Compact Modularity: The core advantage of the SACO series. This single-pole contactor serves as a base to which multiple auxiliary and functional modules can be added physically and electrically without additional wiring between them, creating customized control functions in minimal space.
High Switching Capacity & Reliability: Offers robust switching performance (16A) for its compact size, backed by a long mechanical and electrical life, ensuring dependable operation in continuous use.
Global Safety Compliance: Manufactured in accordance with international standards (IEC/EN 60947-4-1, UL 508), ensuring safe operation worldwide.
Easy Installation & Maintenance: Clear terminal identification, straightforward DIN-rail mounting, and the ability to add or remove accessories without tools (after unlatching) significantly reduce installation and modification time.
Versatile Application: Suitable for AC and DC loads across a wide voltage range, making it a universal choice for many control tasks.

Application Fields

The SACO16D1 is employed in a vast array of applications requiring the controlled switching of single-phase circuits:

Motor Control: Direct-on-line (DOL) starting of small single-phase motors (pumps, fans, garage doors) when combined with an overload relay.
Heating Control: Switching of single-phase heating elements in appliances, industrial ovens, or comfort heating systems.
Lighting Control: Remote switching of lighting banks or signage in commercial/industrial buildings.
Power Supplies & Transformers: Controlling the primary or secondary side of single-phase transformers or power supplies.
General Purpose Switching: Any control panel function requiring a reliable, electrically operated switch for loads up to 16A, such as solenoid valves, small compressors, or tools.