NSI Industries 1109A-PC - 24 Hour Time Switch 120-277V Plastic Case
NSI Industries

1109A-PC

UPC: 786261101099


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Technical BulletinSpecification Sheet

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Overview

NSi Industries 1109A-PC 24-hour time switch delivers precise electrical load control for commercial and industrial applications. Rated for 120-277V AC systems with a 40A current capacity, this DPST (double-pole, single-throw) switch handles heavy-duty circuits reliably. The durable plastic enclosure with clear cover allows visual confirmation of settings while protecting internal components from dust and moisture. Ideal for lighting control, HVAC systems, signage, and machinery scheduling where 24-hour automation is required. The 1109A-PC operates continuously without manual intervention, reducing labor costs and ensuring consistent operation. Compatible with standard electrical panels and enclosures, it installs easily on DIN rails or surface mounts. No external power source is needed for timing functions—power is drawn directly from the connected circuit. The clear cover enables quick verification of switch position and timer settings without opening the case. NSi Industries, a trusted name in industrial controls, backs this switch with proven reliability for mission-critical applications.
  • 24-hour programmable timing for continuous operation
  • Voltage range: 120-277V AC, compatible with most commercial systems
  • 40A current rating with DPST (double-pole, single-throw) switching
  • Durable plastic enclosure with clear cover for visual inspection
  • No external power required; operates directly from circuit power

Specifications

Package Dimensions (L x W x H)
4.312 IN x 5.25 IN x 8.25 IN
Package Dimensions (L x W x H)
10.9525 cm x 13.335 cm x 20.955 cm
Package Weight (Imperial)
2.300 L
Package Weight (Metric)
1.043 kg
The TORK ELC74 365/7-Day Astronomic Time Switch Panel is designed for 120-277 VAC loads and indoor or outdoor use. Automate your home or office to save energy and money using the intuitive programming interface and light sensitive activation to activate lights or signage when the ambient light level drops below a customizable threshold. Features four SPDT output channels with automatic voltage detection and automatic daylight saving adjustment. Designed for commercial applications including outdoor lighting, HVAC equipment, signage, store windows and security or parking lot lights.

ELC74

The TORK ELC74 365/7-Day Astronomic Time Switch Panel is designed for 120-277 VAC loads and indoor or outdoor use. Automate your home or office to save energy and money using the intuitive programming interface and light sensitive activation to activate lights or signage when the ambient light level drops below a customizable threshold. Features four SPDT output channels with automatic voltage detection and automatic daylight saving adjustment. Designed for commercial applications including outdoor lighting, HVAC equipment, signage, store windows and security or parking lot lights.
Tork 2 Zone SPDT Lighting Control Use to control two different outdoor lighting circuits utilizing one photocell. Sign lighting can turn ON at one ambient light level while parking lot lighting turns ON at a different light level. APPLICATIONS: 24 Hour Convenience Stores Open Wall Parking Structures Large Canopies Building Perimeters Atriums FEATURES: INPUT VOLTAGE: 120/240/277VAC, 50/60Hz OUTPUT CONTACTS: SPDT NO. OF ZONES: 2 Zones TERMINAL RANGE: Relay #12AWG- input power terminals #14-#22AWG- TOD/sensor terminals accept #18-#22AWG. POWER CONSUMPTION: 5VA Maximum OPERATING TEMPERATURE: - 40 degrees to +140 degrees F (-40 degrees C to +60 degrees C) PHOTOSENSOR INPUT: EPC1 Included. DUAL OUTPUTS: With independent turn-ON adjustment for Stage 1 and Stage 2. LIGHT LEVEL ACTIVATION: Turn ON is user settable from 2 to 100 footcandle- Independent light level adjustment for each zone. Turn OFF is a maximum of 2 times turn ON level. Built-in delay ON of 30 seconds to avoid reaction to lightning or headlights. SWITCHED INPUT: Can be used with a time switch for photocell ON of two different lighting circuits at different ambient light levels, then time-of-day OFF. ENCLOSURE: Metal Indoor NEMA 1 with lockable hasp. MANUFACTURER: Tork, UPC: 786261821119 CONTACT RATINGS: GENERAL PURPOSE: 120/240 VAC NO: 20A NC: 10A 277 VAC NO: 12A BALLAST: 120 VAC NO: 20A NC: 10A 240/277 VAC NO: 6A NC: 3A TUNGSTEN: 120/240/277 VAC NO: 5A NC: 3A PILOT DUTY: 120/240 VAC NO: 470VA NC: 275VA 277 VAC NO: 690VA

LC200

Tork 2 Zone SPDT Lighting Control Use to control two different outdoor lighting circuits utilizing one photocell. Sign lighting can turn ON at one ambient light level while parking lot lighting turns ON at a different light level. APPLICATIONS: 24 Hour Convenience Stores Open Wall Parking Structures Large Canopies Building Perimeters Atriums FEATURES: INPUT VOLTAGE: 120/240/277VAC, 50/60Hz OUTPUT CONTACTS: SPDT NO. OF ZONES: 2 Zones TERMINAL RANGE: Relay #12AWG- input power terminals #14-#22AWG- TOD/sensor terminals accept #18-#22AWG. POWER CONSUMPTION: 5VA Maximum OPERATING TEMPERATURE: - 40 degrees to +140 degrees F (-40 degrees C to +60 degrees C) PHOTOSENSOR INPUT: EPC1 Included. DUAL OUTPUTS: With independent turn-ON adjustment for Stage 1 and Stage 2. LIGHT LEVEL ACTIVATION: Turn ON is user settable from 2 to 100 footcandle- Independent light level adjustment for each zone. Turn OFF is a maximum of 2 times turn ON level. Built-in delay ON of 30 seconds to avoid reaction to lightning or headlights. SWITCHED INPUT: Can be used with a time switch for photocell ON of two different lighting circuits at different ambient light levels, then time-of-day OFF. ENCLOSURE: Metal Indoor NEMA 1 with lockable hasp. MANUFACTURER: Tork, UPC: 786261821119 CONTACT RATINGS: GENERAL PURPOSE: 120/240 VAC NO: 20A NC: 10A 277 VAC NO: 12A BALLAST: 120 VAC NO: 20A NC: 10A 240/277 VAC NO: 6A NC: 3A TUNGSTEN: 120/240/277 VAC NO: 5A NC: 3A PILOT DUTY: 120/240 VAC NO: 470VA NC: 275VA 277 VAC NO: 690VA
The TORK DG180A 24-Hour/7-Day Multipurpose Digital Timer is designed for 20 amp / 120-277 volt loads and has a plastic enclosure for indoor/outdoor use. Automate your home or office to save energy and money, using the intuitive programming interface to set different on/off times each day or to cycle loads on various days. Designed for commercial applications in the home, office, factory, church or school, including indoor/outdoor lighting, heaters, air conditioners, water heaters, warning signs or traffic lights

DG180A

The TORK DG180A 24-Hour/7-Day Multipurpose Digital Timer is designed for 20 amp / 120-277 volt loads and has a plastic enclosure for indoor/outdoor use. Automate your home or office to save energy and money, using the intuitive programming interface to set different on/off times each day or to cycle loads on various days. Designed for commercial applications in the home, office, factory, church or school, including indoor/outdoor lighting, heaters, air conditioners, water heaters, warning signs or traffic lights
The TORK DGS100A 7-Day Holiday and Signal Cycle Digital Timer is designed for 20 amp / 120-277 volt loads and has a plastic enclosure for indoor/outdoor use. Automate your home or office to save energy and money, using the intuitive programming interface to set up to 56 different on/off times each day of the week. Designed for applications in the home, office, factory, church or school, including indoor/outdoor lighting, heaters, air conditioners, water heaters, warning signs or traffic lights

DGS100A

The TORK DGS100A 7-Day Holiday and Signal Cycle Digital Timer is designed for 20 amp / 120-277 volt loads and has a plastic enclosure for indoor/outdoor use. Automate your home or office to save energy and money, using the intuitive programming interface to set up to 56 different on/off times each day of the week. Designed for applications in the home, office, factory, church or school, including indoor/outdoor lighting, heaters, air conditioners, water heaters, warning signs or traffic lights
The TORK E101B 24-Hour Digital Timer is designed for a wide range of applications and has a plastic enclosure for indoor or outdoor use. Automate your home or office to save energy and money using the intuitive programming interface. Features up to 20 different on/off times, a 4-day battery backup and a Noryl plastic cover with a locking hasp. Designed for indoor or outdoor loads such as lights, heaters, air conditioners, water heaters, outdoor signage, sump pumps or ventilation fans.

E101B

The TORK E101B 24-Hour Digital Timer is designed for a wide range of applications and has a plastic enclosure for indoor or outdoor use. Automate your home or office to save energy and money using the intuitive programming interface. Features up to 20 different on/off times, a 4-day battery backup and a Noryl plastic cover with a locking hasp. Designed for indoor or outdoor loads such as lights, heaters, air conditioners, water heaters, outdoor signage, sump pumps or ventilation fans.
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Frequently Asked Questions

What is the input voltage range for the 1109A-PC?

The input voltage range is 120/208-277VAC at 50/60Hz.

What is the operating temperature range?

The operating temperature range is -40 °F to 149 °F (-40 °C to 65 °C).

What are the contact ratings for general purpose?

The general purpose contact rating is 120/208-277VAC at 40A.

What is the minimum ON time setting?

The minimum ON time setting is 20 minutes.

What is the minimum OFF time setting?

The minimum OFF time setting is 75 minutes.

What types of applications can the 1109A-PC be used for?

It can be used for lighting, pumps, signs, air conditioning, water heaters, and fans.

What is the power consumption of the device?

The maximum power consumption is 3 Watts.

What is the enclosure type of the 1109A-PC?

The enclosure type is metal indoor NEMA 1 or metal indoor/outdoor NEMA 3R.

What is the terminal range for wiring?

The terminal range accommodates #8 to #14 AWG wiring.

Is there a manual override feature?

Yes, there is a manual override feature until the next scheduled operation.

Frequently Asked Questions about NSI Industries

How are Tork products typically installed?

Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

What environmental ratings do Tork products have?

Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

What communication protocols do Tork products support?

Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

What are the key features of Tork products?

Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

What are the main product lines offered by Tork?

Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

What technical support does Tork offer?

Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

What industries and applications are Tork products used for?

Tork products are utilized across a variety of industries, including food processing, healthcare, hospitality, and manufacturing. They are designed for applications such as hand hygiene, surface cleaning, and dispensing solutions, ensuring efficiency and compliance in environments that require high standards of cleanliness and safety.

What certifications and standards do Tork products comply with?

Tork products comply with UL and cUL certifications, ensuring they meet rigorous safety and performance standards. Additionally, many models are designed to meet NEMA enclosure ratings, providing protection against environmental factors.

How are Remke products typically installed?

Remke products are typically installed through a systematic process that includes site audits to verify proper wiring, followed by remote or on-site commissioning. This commissioning involves installation verification, programming, and communication testing to ensure the system operates reliably and meets design specifications.

What accessories are available for Remke products?

Remke offers a wide range of accessories for their products, including panel mounting kits, fuse holders for voltage inputs, ferrites for communication modules, and current transformers. These accessories enhance the functionality and protection of Remke's industrial automation solutions, ensuring reliable performance in various applications.