ABB CAL19-11 Auxiliary Contact Block
The CAL19-11 is an auxiliary contact block designed for ABB's AF116 to AF370 range of block contactors, adding one normally open (NO) and one normally closed (NC) auxiliary contact for signaling and interlocking functions. Compact and simple to mount, it is a common addition for control panels and motor control centers across the UAE requiring extra status feedback from contactors.
Key Features
- 1 NO + 1 NC auxiliary contact configuration for status signaling and control interlocking
- Rated for auxiliary circuit voltages from 24 to 690V, suitable for a wide range of control voltages
- Compact side-mounted design, adding minimal footprint to existing contactor assemblies
- Screw terminals accepting flexible or solid conductors from 0.75 to 4 mm² for straightforward wiring
- Genuine ABB quality — compatible with AF116 through AF370 block contactors, including B-suffix variants
Technical Specifications
| Specification |
Details |
| Brand |
ABB |
| Model |
CAL19-11 |
| Auxiliary Contacts |
1 NO + 1 NC |
| Rated Operational Voltage (Auxiliary Circuit) |
24 - 690V |
| Degree of Protection |
IP20 |
| Terminal Type |
Screw terminals |
| Connecting Capacity |
Flexible 0.75 - 2.5 mm² / Solid 1 - 4 mm² |
| Tightening Torque |
1 N·m |
| Compatible With |
AF116, AF140, AF146, AF190, AF205, AF265, AF305, AF370 (and B-suffix variants) |
| Net Weight |
0.04 kg |
| Dimensions (W x H x D) |
79 x 67.3 x 14.9 mm |
Applications
- Status signaling and remote indication for AF-series contactors in motor control centers
- Control interlocking between contactors in panel builds
- Feedback signaling for automation and BMS integration in commercial buildings
- Retrofit addition to existing AF-series contactor installations across the UAE
FAQ
-
What does this contactor control?
It's an electrically-operated switch used to make/break a load circuit repeatedly under remote or automatic control — commonly lighting banks, motors, HVAC equipment, or heating loads switched via a timer, BMS, or control relay.
-
Does this need a separate overload relay for motor protection?
Yes, if it's controlling a motor — a contactor alone doesn't protect against sustained overload. Pair it with a compatible thermal overload relay (see ABB's matching TF/TA-series relays) to form a full motor starter.
-
Can I control this contactor with a timer or BMS?
Yes — the coil is designed for remote switching from a timer, PLC, BMS, or control relay rather than direct manual operation, making it suited to automated load switching.
-
Can I install this myself?
No. Contactors are wired into live control and power circuits and must be installed by a licensed electrician in accordance with UAE wiring regulations.
