ABB cal4-11-t side mounted instantaneous aux contact block

Why Choose the ABB CAL4-11-T Auxiliary Contact Block?

The ABB CAL4-11-T auxiliary contact block is a compact and highly reliable side-mounted auxiliary contact accessory designed for use with ABB AF and NF contactors in industrial automation and motor control systems. Identified by part number 1SBN010120T1011, this auxiliary block forms part of the trusted ABB CAL4 accessory series, engineered for dependable signalling and auxiliary control functionality in demanding industrial environments.

The CAL4-11-T 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 side-mounted design allows rapid installation directly onto compatible ABB contactors without requiring specialised tools.

Featuring durable screw terminals, compact construction, and compatibility with ABB AF and NF contactor ranges, the CAL4-11-T 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.
• Side-mounted design for flexible installation.
• Compatible with ABB AF and NF 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 CAL4 auxiliary contact block series.
• 1 NO + 1 NC instantaneous contacts.
• Side mounting onto compatible ABB contactors.
• Screw clamp terminals.
• Designed for AF09 to AF96 and NF series contactors.
• Mechanical durability up to 10 million operations.
• Compact lightweight construction.
• Supports auxiliary and control circuit switching.
• Suitable for standard industrial environments.
• Clear terminal marking for simplified wiring.

Technical Specifications

• Manufacturer: ABB
• Series: CAL4
• Model: CAL4-11-T
• Part number: 1SBN010120T1011
• Product type: Auxiliary contact block
• Contact configuration: 1 NO + 1 NC
• Number of poles: 2P
• Mounting type: Side mounted
• Terminal type: Screw terminals
• Rated operational current AC-15: 6 A at 24/127 V AC, 4 A at 220/240 V AC, 3 A at 380/400 V AC
• Rated operational current DC-13: 6 A at 24 V DC
• Rated operational voltage: Auxiliary circuit 24 to 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
• Protection rating: IP20
• Compatible contactors: ABB AF09...AF96 and NF series contactors
• Operating temperature: approx. -40 °C to +70 °C
• Standards: IEC/EN 60947-5-1, UL, CSA
• Dimensions (W × H × D): approx. 43 × 47 × 39 mm
• Weight: approx. 0.06 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 CAL4 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 CAL4 auxiliary contact blocks are trusted worldwide for dependable signalling performance, compact installation and reliable operation in industrial automation and motor control applications.