We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

INTERMATIC Photocontrol: Thread Stem Photocell Mounting, 1/2 in Stem Dia, SPST, 120V AC - Fixed Stem-Mounted Photocells
INTERMATICFixed Stem-Mounted Photocells

INTERMATIC Photocontrol: Thread Stem Photocell Mounting, 1/2 in Stem Dia, SPST, 120V AC

The INTERMATIC K4121C is a fixed stem-mounted photocontrol with a 1/2-inch stem diameter, designed for 120V AC operation with a SPST switching configuration. This INTERMATIC-branded unit includes a lock nut for…

SKU 3G-OTH-155684

Brand
INTERMATIC
Item
Photocontrol: Thread Stem Photocell Mounting, 1/2 in Stem Dia, SPST, 120V AC
Category
Fixed Stem-Mounted Photocells
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

INTERMATIC
Manufacturer Part Number
K4121C
Type
SPST
AC
120V
Stem Dia
1/2 in

Technical Documents

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INTERMATIC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The INTERMATIC K4121C is a fixed stem-mounted photocontrol with a 1/2-inch stem diameter, designed for 120V AC operation with a SPST switching configuration. This INTERMATIC-branded unit includes a lock nut for secure mounting. The product is a thread stem photocell mounting type, suitable for automatic lighting control based on ambient light levels.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the INTERMATIC K4121C photocontrol used for?

The INTERMATIC K4121C is a fixed stem-mounted photocontrol that automatically switches lighting on and off based on ambient light levels. It is commonly used in outdoor area lighting, parking lots, and security lighting to save energy and provide dusk-to-dawn operation.

What are the specifications of the INTERMATIC K4121C?

The INTERMATIC K4121C operates at 120V AC with a SPST switching configuration. It features a 1/2-inch stem diameter for thread stem mounting and includes a lock nut for secure installation. The manufacturer part number is K4121C.

Where to buy the INTERMATIC K4121C worldwide?

3G Electric supplies the INTERMATIC K4121C photocontrol to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this fixed stem-mounted photocontrol.

How to install the INTERMATIC K4121C photocontrol?

Install the INTERMATIC K4121C by threading the 1/2-inch stem into a standard knockout or fixture opening. Secure it with the included lock nut. Wire the SPST contacts to your 120V AC lighting circuit. Ensure the photocell faces north or away from artificial light for proper operation.

Used in

Common applications for INTERMATIC
Outdoor lighting control — INTERMATIC ET2145CR digital timer for parking lot lighting schedules
HVAC scheduling — INTERMATIC T7801B electromechanical timer for 7-day ventilation system cycling
Dusk-to-dawn lighting — INTERMATIC K4141C photocontrol for automatic street or sign lighting
Short-cycle pump control — INTERMATIC FD5MW spring-wound timer for sump pump test cycles
Plug-in appliance timing — INTERMATIC DT200LT digital plug-in timer for outdoor holiday lighting
Indoor load shedding — INTERMATIC ET2805C astronomic timer for office lighting based on daylight

INTERMATIC Products

3G Electric supplies INTERMATIC fixed stem-mounted photocells. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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INTERMATIC Photocontrol: Thread Stem Photocell Mounting, 1/2 in Stem Dia, SPST, 120V AC, 120V AC (MPN K4221C)
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INTERMATIC Photocontrol: Thread Stem Photocell Mounting, 1/2 in Stem Dia, SPST, 120-277V AC (MPN EK4736S)
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INTERMATIC Photocontrol: Thread Stem Photocell Mounting, 1/2 in Stem Dia, SPST, 208-277V AC (MPN K4223C)
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INTERMATIC Photocontrol: Thread Stem Photocell Mounting, 1/2 in Stem Dia, SPST, 120V AC, 120V AC (MPN K4251)
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INTERMATIC Photocontrol: Thread Stem Photocell Mounting, 1/2 in Stem Dia, SPST, 208-277V AC (MPN K4253)
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