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Auxiliary Contacts | Auxiliary Contact Block

What are Auxiliary Contacts?

Auxiliary interfaces, also referred to as contractors, are electromechanical components employed in combination with basic switching components, including contactors, circuit breakers, switches, and relays. These additional switching components are directly connected to the major switching component and function at the same time. These supplementary attachments exist in a wide range of interface specifications and mounting structures to be compatible with many diverse industrial automated and control system applications.

Enrgtech, as well as other top-tier manufacturers like Schneider Electric, Siemens, ABB, Lovato, Eaton, and Schneider Electric, offer a wide selection of premium auxiliary contact blocks.

How do Auxiliary Connections Function?

Attached to the main contacts, auxiliary interfaces switch states when the main contacts do. They transfer the circuit's data to a logic controller, which instructs the connected devices whether to turn on or off. They can also be utilized as stand-alone hardware control units. Finding the appropriate auxiliary contact for the application is simple because they come in a variety of mounting options, such as a front mount or DIN rail mount, and a selection of terminal types, such as screw terminals, screw clamp terminals, and cage clamp terminals.

What are the common types of Contact Blocks?

There are different kinds of contacts designed to be used in harsh industrial conditions; the CAL19-11 Auxiliary contact block is utilized to operate auxiliary and control circuits. The auxiliary contact blocks have screw-type connection terminals that are delivered open, protected from unintentional direct contact, and marked with the appropriate function. Those that are open and those that are closed in an inactive condition. They will be labeled as normally closed (N/C) and normally open (N/O). Interlocks are created using NC contacts. Other components, such as status indicator LEDs, are switched on via NO connections.

What are the Auxiliary Contacts used for?

Auxiliary interfaces, the most common usage in the industry, are in push-button controllers since they are embedded in the start button. They are the most commonly used devices in:

Relay logic circuits

Solid-state electronics

Electronics

Industrial control systems

Electric motors

Other motor control applications.

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277951 DILM150-XHI13, Eaton

Eaton 4 Pole Auxiliary Contacts For Use With The DILM System Features and benefits: Typical Applications How do Auxiliary Contacts work?

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417159, Legrand

The Legrand add on auxiliary block used for CTX³ mini contactors. It has a side type mounting with 1 NC contact. It has a side mounting

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276420 | DILA-XHI02, Eaton

Auxiliary contact module, 2 N/C, surface mounting, screw connection

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286055 | FAZ-XHINW1, Eaton

FAZ Series Accessories Professional range of Eaton miniature circuit breaker accessories from the FAZ series. Accessories include shunts, busbars, shrouds and auxiliary contacts.

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048912 31DILE, Eaton

Eaton Auxiliary Contacts For Use With The DILEM & DILEEM System Features and benefits: Applications: How do Auxiliary Contacts work?

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208281 DILM820-XHI11-SI, Eaton

Eaton 2 Pole Auxiliary Contacts For Use With The DILM System Features and benefits: Typical Applications How do Auxiliary Contacts work?

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5ST3012-2, Siemens

The Siemens AUXILIARY CIRCUIT SWITCH 2NC, FOR MCB WITH TEST BUTTON. The additional components from Siemens are an important part of the SENTRON protection devices for electrical installations. As accessories for residual current and miniature circuit breakers, they offer many options for implementing a wide range of functions. Whether for infrastructure or industrial applications, Siemens offers the right accessories for all residual current and miniature circuit breakers. We provide the right device for every requirement. Can be universally retrofitted with all additional components User-friendly and easy installation and connection technology Reliable safety during installation with standard touch protection.

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277953 | DILM150-XHIV22, Eaton

Eaton Auxiliary Contacts - DILM Created and designed to function for standard applications, these auxiliary contacts are suitable for use with a multitude of DILM motor contactors. The DILM range of auxiliary contacts are electromechanical devices that are mounted typically to contactors. They are physically connected to the contactor, with simultaneous activation and deactivation applying to both devices at the same time. Sometimes referred to as an aux contact, they can be installed onto contactors either by front mounting, or side mounting. Aux contacts are useful devices to aid in keeping an eye on the contactor.

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M5725237, METCASE

METcase Mettec Type B Cases The Mettec Type B case has an aluminium front and rear bezel, top and base covers and extruded side panels. A high degree of shielding is guaranteed thanks to its masked internal faces and additional contact points. The guide ridges in the side extrusions of the Mettec case allow mounting of PCBs in several positions. Features and Benefits Aluminium front and rear bezel, top and base covers and extruded side panels Front bezel recessed for fitting optional aluminium front panels Guide ridges in side extrusions for mounting PCBs All parts fully integrated for strength and shielding Supplied fully assembled Fine texture powder polyester finish Applications The Mettec Type A case is designed for small desktop and portable electronics equipment. Applications include measuring and control technology, medical, laboratory and peripheral equipment for computers and networking. Note Tilt and swivel handles only supplied with stock nos. 209-5858 and 209-5779 . Supplied with 1 x front bezel, 2 x side extrusions, top and base covers, 1 x rear bezel, 4 non slip feet and fixing screws.

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DILM150-XHI13, Eaton

DILM Auxiliary Modules, 4-Pole These modules plug in to the front of a DILM motor contactor to provide additional contacts DILM32 auxiliary contacts to be used with DILM9 to DILM32 contactors. DILM150 auxiliary contacts to be used with DILM40 to DILM65 contactors Current rating 3A (AC 15) @ 400V

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S29450, Schneider Electric

PowerPact Auxiliary and Alarm Switches Range of accessories that provide the circuit breaker contact status Square D For use with Qwikline I consumer units and can be retrofitted in to existing systems,Type B characteristic offers instantaneous short circuit response level of 3-5 x normal rated current, making it suitable for circuits with moderate inrush currents such as filament lamps, heating loads and most domestic/small building protection applications.,Type C characteristic offers short circuit response of 5-10 x normal rated current, making it ideal for circuits with higher inrush currents such as motor control and fluorescent lighting installations in industrial buildings where nuisance tripping might occur if a faster type was used

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072899 | AGM2-01-PKZ0, Eaton

Eaton Auxiliary Contacts For Use With The PKZ 0 System A flexible and modular system built for motors up to 4 kW/400 V, the PKZ 0 system offers efficiency whilst being economical whatever the motor started performance profile. Eaton's fail-safe auxiliary contacts offer several contact combinations and are front or right-hand side mountable depending on their design, no tools needed! Trip indication presents through a red short-circuit indicator on some components, allowing users to view a trip easily, other information is provided to the upstream programmable controller. Information provided includes "on/off" on the protective switch, "tripped" message for overload or short circuits, and "on/off" for the contact module. Features and benefits: Front and side-mounted contacts available Easy connection to motor-protective circuit-breakers Screw terminal connections On/off switch and module information For use with PKZM01, PKZM0, PKZM4, PKZM0-T, PKM0, and PKE. Applications: Motor starters, Control systems, Control, and Signalling equipment. How do Auxiliary Contacts work? An Auxiliary Contact is an electromechanical device that is mounted typically to contactors. They are physically connected to the contactor, with simultaneous activation and deactivation applying to both of the devices at the same time. Aux Contacts can be installed onto contactors either by front mounting, or side mounting. This is usually clear in the shape and size of the product, but please check the compatibility of your devices. Aux Contacts are really useful devices to aid in keeping an eye on the contactor.

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Auxiliary Contacts

What are Auxiliary Contacts?

How do Auxiliary Connections Function?

What are the common types of Contact Blocks?

What are the Auxiliary Contacts used for?

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