HLLA-1

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The HLLA-1 timer and controller includes a single pole, left-hand switch action, a rated current of 25 A max for AC, and double break silver-to-silver contacts. Part of the Timers and Controllers series by Danaher, it features dust-tight or watertight enclosures and supports up to 600 V AC max voltage.

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Product Description:

The HLLA-1 is a heavy-duty controller. It contains a single pole, left-hand switch action. This gives precise and reliable performance in harsh environments. This model is supplied with a single contact. It can be field-configured as either normally open (NO) or normally closed (NC), allowing the flexibility necessary to accommodate individual application needs.

The contact type is a double break silver-to-silver arrangement. It has more conductivity, reduced electrical resistance, and more lasting life. It is rated to 600 volts AC and can thus be applied in high voltage. It complies with AC utilization category A600 and DC utilization category N300. This ensures optimal performance in alternating and direct current circuits. The smooth and consistent actuation is delivered by the 50-degree lever travel. To shield and fit, the HLLA-1 comes with standard, dust-tight and watertight enclosure styles. It makes this simple to install in tasks where dust or moisture exposure is an issue. The factory contact state of the unit will normally be closed, but right-hand to left-hand operation conversion is uncomplicated. This allows for additional installation versatility. Mounting is easy with tapped conduit holes provided in two positions for easy and solid mounting. This controller is suitable for machinery control panels, process hardware, and heavy-duty electrical installations. Its durable construction and silver contact points allow for minimal wear. It also gives maximum longevity over the long term.

It is used in neat factory conditions or rugged outdoor environments. The HLLA-1 gives better outcome along with long-term stability and versatility. It has field-convertible contacts and solid construction with high-voltage rating. These features make it a trusted unit for managing electrical circuits under a range of operating conditions.

Ac Utilization Category
A600
Contact Type
Double Break Silver-to-Silver
Contacts Supplied
1 NO or 1 NC (Field Convertible)
Conversion Capability
Right-to-Left Hand Convertible
Dc Utilization Category
N300
Enclosure Options
Standard, Dust-tight, Watertight
Factory Contact State
Normally Closed
Lever Travel
50° Each Direction
Max Voltage (ac)
600 V AC
Max Voltage (dc)
250 V DC
Mounting Holes
Tapped Conduit Holes (2)
Rated Current (ac)
25 A max
Rated Current (dc)
10 A max
Switch Action
Single Pole, Left Hand

Frequently Asked Questions about HLLA-1:

Q: What is the switch action for HLLA-1?

A: HLLA-1 features a single pole, left hand switch action.

Q: What is the rated current for HLLA-1 in AC?

A: HLLA-1 supports up to 25 A in AC applications.

Q: What is the maximum DC voltage rating of HLLA-1?

A: HLLA-1 supports up to 250 V DC.

Q: What is the factory contact state of HLLA-1?

A: HLLA-1 is factory configured as normally closed.

Q: What enclosure options are available for HLLA-1?

A: HLLA-1 supports standard, dust-tight, and watertight enclosures.


Internal Product Review

  • ‘‘The HLLA-1 is a sturdy, well-engineered controller with strong contact performance. It adapts easily to different requirements and configurations. Users value its flexibility and secure switching. Its compact design integrates smoothly into a range of systems. An excellent option where space-saving reliability and field customization are important priorities.’’

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