ABB cal4-11 side mounted instantaneous aux contact block

Why Choose the ABB CA5-11E Auxiliary Contact Block?

The ABB CA5-11E auxiliary contact block is a compact and highly reliable front-mounted auxiliary contact accessory designed for use with ABB A, AF and AFC contactors in industrial automation and motor control systems. Identified by part number 1SBN010120R1011, this auxiliary block forms part of the trusted ABB CA5 accessory series, engineered for dependable signalling and control functionality in demanding industrial environments.

The CA5-11E provides 1 normally open (1 NO) and 1 normally closed (1 NC) instantaneous auxiliary contacts, enabling expanded monitoring, interlocking and control circuit functionality within electrical panels and automation systems. Its compact front-mounted design allows rapid installation directly onto compatible ABB contactors without requiring specialised tools.

Featuring durable screw terminals, compact construction, and terminal marking designed to match ABB contactors and contactor relays, the CA5-11E delivers dependable switching performance in industrial motor control, HVAC systems, machinery and general automation applications.

Key Advantages

• Reliable 1 NO + 1 NC auxiliary signalling contacts.
• Front-mounted design for rapid installation.
• Compatible with ABB A, AF and AFC contactors.
• Compact dimensions for efficient panel utilisation.
• Durable screw terminal connections.
• Suitable for industrial control and automation systems.
• High mechanical durability for frequent switching operations.

Key Features

• ABB CA5 auxiliary contact block series.
• 1 NO + 1 NC instantaneous contacts.
• Front mounting onto compatible ABB contactors.
• Screw clamp terminals.
• Mechanical durability up to 10 million operations.
• Compact lightweight construction.
• Clear terminal marking for simplified wiring.
• Supports auxiliary and control circuit switching.
• Suitable for standard industrial environments.
• Designed for fast clip-on installation.

Technical Specifications

• Manufacturer: ABB
• Series: CA5
• Model: CA5-11E
• Part number: 1SBN010120R1011
• Product type: Auxiliary contact block
• Contact configuration: 1 NO + 1 NC
• Number of poles: 2P
• Mounting type: Front mounted
• Terminal type: Screw terminals
• Rated operational current AC-15: 6 A at 24/127 V AC, 4 A at 220/240 V AC
• Rated operational current DC-13: 6 A at 24 V DC
• Rated operational voltage: Auxiliary circuit 690 V AC
• Rated insulation voltage: 690 V
• Rated frequency: 50 / 60 Hz
• Impulse withstand voltage: 6 kV
• Conventional free-air thermal current: 16 A
• Mechanical durability: approx. 10 million operations
• Electrical switching frequency: 1200 cycles/hour
• Mechanical switching frequency: 3600 cycles/hour
• Protection rating: IP20
• Compatible contactors: ABB A9...A110, AF09...AF96, AFC09...AFC38, AE45...AE75 series
• Operating temperature: approx. -40 °C to +70 °C
• Standards: IEC/EN 60947-5-1, UL, CSA
• Dimensions (W × H × D): approx. 18 × 46 × 43 mm
• Weight: approx. 0.03 kg

Reliable Auxiliary Control and Signalling

Auxiliary contact blocks are used to expand the signalling and control functionality of contactors and relays within industrial automation systems. They enable additional status indication, interlocking and control logic without modifying the main power circuit.

The ABB CA5 series is widely used in motor starters, machinery panels and building automation systems where reliable auxiliary switching, compact installation and long service life are essential for dependable industrial operation.

Typical Applications

• Industrial motor starters and contactor assemblies.
• Control and signalling circuits.
• HVAC and ventilation systems.
• OEM machinery and automation equipment.
• Conveyor and material handling systems.
• Industrial process control panels.

Trusted by Industrial Control Engineers

ABB CA5 auxiliary contact blocks are trusted worldwide for dependable signalling performance, compact installation and reliable operation in industrial automation and motor control applications.