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ABB cal19-11b side mounted instantaneous aux contact block
ABB CAL19-11B side-mounted auxiliary contact block with 1NO + 1NC contacts designed for ABB AF116 to AF370 contactors in industrial motor control systems.
£19.51
Why Choose the ABB 1SFN010820R3311 CAL19-11B Auxiliary Contact Block?
The ABB 1SFN010820R3311, also known as the CAL19-11B, is a high-quality side-mounted auxiliary contact block designed for use with ABB AF series contactors. It provides additional signalling and control contacts for industrial motor control, automation systems and electrical control panels, enabling expanded control functionality without increasing panel size.
The CAL19-11B is specifically intended as the second side-mounted auxiliary contact block, allowing a second auxiliary module to be fitted where additional signalling contacts are required. Featuring a 1 NO + 1 NC instantaneous contact configuration, robust screw terminals and a compact insulated housing, it delivers dependable long-term switching performance in demanding industrial environments.
Compatible with ABB AF116 to AF370 and AF116B to AF370B contactors, the ABB 1SFN010820R3311 is ideal for PLC interfaces, interlocking circuits, machine automation and status monitoring applications.
Key Advantages
- Compact side-mounted auxiliary contact block.
- 1 normally open (NO) and 1 normally closed (NC) instantaneous contact configuration.
- Designed as the second auxiliary contact block for compatible ABB contactors.
- Compatible with ABB AF116 to AF370 contactors.
- Screw terminal connections for secure industrial wiring.
- Ideal for PLC control, signalling and electrical interlocking.
Key Features
- ABB CAL19 auxiliary contact block series.
- Model CAL19-11B.
- Part number 1SFN010820R3311.
- 1 NO + 1 NC instantaneous auxiliary contacts.
- Side-mounted installation.
- Designed as the second auxiliary block.
- Screw terminal connections.
- Rated auxiliary circuit voltage 24 to 690 V AC.
- IP20 protection rating.
- Suitable for ABB AF116...AF370 and AF116B...AF370B contactors.
Reliable Auxiliary Switching for Industrial Contactors
The ABB CAL19-11B auxiliary contact block extends the signalling and control capability of industrial contactors by providing additional normally open and normally closed auxiliary contacts. It is ideal for PLC inputs, electrical interlocking, alarm circuits and machine status indication.
Designed to ABB's exacting industrial standards, the CAL19-11B delivers dependable switching performance while maintaining compact control panel layouts and straightforward installation onto compatible AF series contactors.
Typical Applications
- Industrial motor control panels.
- PLC input and output signalling.
- Electrical interlocking circuits.
- Machine automation systems.
- OEM electrical equipment.
- Status indication circuits.
- Industrial switchgear assemblies.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| IP Rating | IP20 | |
| Device Type | Auxiliary contact block | |
| Series | CAL Auxiliary Contact Blocks | |
| Part number | 1SFN010820R3311 | |
| Product type | Auxiliary contact block | |
| Contact configuration | 1NO + 1NC | |
| Operation type | Instantaneous auxiliary contacts | |
| Mounting type | Side mounting | |
| Compatible contactors | AF116..AF370, AF116B..AF370B | |
| Connection type | Screw terminals | |
| Rated operational voltage | 24 to 690 V AC auxiliary circuit | |
| Protection rating | IP20 | |
| Wire stripping length | 9 mm | |
| Dimensions (W × H × D) | approx. 79 × 67.3 × 14.9 mm | |
| Weight | approx. 0.04 kg |
Frequently Asked Questions
What is the ABB 1SFN010820R3311 used for?
It is a side-mounted auxiliary contact block that adds additional signalling and control contacts to compatible ABB AF series contactors.
What contact configuration does the CAL19-11B provide?
The auxiliary contact block provides 1 normally open (NO) and 1 normally closed (NC) instantaneous auxiliary contact.
What is the difference between CAL19-11 and CAL19-11B?
The CAL19-11B is designed as the second side-mounted auxiliary contact block, allowing additional auxiliary contacts to be fitted to compatible contactors.
Which ABB contactors is it compatible with?
The CAL19-11B is compatible with ABB AF116 to AF370 and AF116B to AF370B contactors.
What applications is the CAL19-11B suitable for?
It is ideal for PLC control, electrical interlocking, machine automation and industrial signalling circuits requiring additional auxiliary contacts.
Trusted by Industrial Automation Professionals
ABB CAL auxiliary contact blocks are trusted by panel builders, OEM manufacturers and automation engineers for providing reliable auxiliary switching, simple installation and dependable long-term performance in industrial control systems.
