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Alpha T1240 Plug-in Transformer, 12VAC-40VA Primary, 120V AC Secondary, 12V AC (40 VA) UL/CSA Listed, for Indoor Use

Alpha Plug-in Transformer-12VAC-40VA
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Key Features

  • Fast, clean installation: plug-in form factor hides wiring and eliminates bulky pigtails for professional-looking installations
  • Reliable power for security devices: stable 12VAC, 40VA output supports intercoms, video and access control equipment
  • Built‑in safety features: UL/CSA listing and thermal fuse minimize fire and overheating risks for peace of mind
  • Visible status and secure mounting: LED power indicator and set-screw retention keep the unit visible and locked to the outlet
  • Service-friendly wiring: convenient screw-terminal secondary connections speed field wiring and maintenance

Quick Specifications

Product Model
T1240
Brand Name
Alpha Communications
Product Name
Plug-in Transformer-12VAC-40VA
Product Type
Open Frame
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Product information

T1240

Overview

Deliver dependable, code-compliant power to your security and communication devices with the Alpha Communications T1240 plug-in transformer. Designed for installers and facilities managers, this compact transformer supplies a steady 12VAC, 40VA output from a standard 120VAC input, making it ideal for powering intercoms, video-intercoms, surveillance cameras, nurse-call stations and access control panels without the need for bulky enclosed power supplies. The plug-in form factor keeps installations neat where the transformer must be exposed, while a set-screw retention secures the unit to the outlet for tamper-resistant mounting. Safety features include UL/CSA listing for Class II indoor wiring and a built-in thermal fuse to protect against overheating. Installer-focused details — like screw-terminal secondary connections and a built-in LED power indicator — reduce install time and simplify troubleshooting. Trust Alpha Communications' T1240 transformer to deliver consistent low-voltage power for monitoring, security and communication systems. Order now to streamline your next access control or surveillance deployment.

Features

  • Fast, clean installation: plug-in form factor hides wiring and eliminates bulky pigtails for professional-looking installations
  • Reliable power for security devices: stable 12VAC, 40VA output supports intercoms, video and access control equipment
  • Built‑in safety features: UL/CSA listing and thermal fuse minimize fire and overheating risks for peace of mind
  • Visible status and secure mounting: LED power indicator and set-screw retention keep the unit visible and locked to the outlet
  • Service-friendly wiring: convenient screw-terminal secondary connections speed field wiring and maintenance
15 of 15 specifications
Technical specifications for Alpha T1240 Plug-in Transformer, 12VAC-40VA Primary, 120V AC Secondary, 12V AC (40 VA) UL/CSA Listed, for Indoor Use
General Information
Brand Name Alpha Communications
Manufacturer Alpha Communications
Product Name Plug-in Transformer-12VAC-40VA
Product Type Open Frame
Product Model T1240
Country of Origin CN
Manufacturer Part Number T1240
Technical Information
Output Voltage 12V AC
Physical Characteristics
Depth 3.40"
Width 2.70"
Height 3.80"
Form Factor Plug-in
Power Description
Power Rating 40.00W
Input Voltage 120V AC
Miscellaneous
Additional Information LED Power 'on' indicator

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SKU:
T1240
Manufacturer part:
T1240
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Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.

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Alpha T1240 Plug-in Transformer, 12VAC-40VA Primary, 120V AC Secondary, 12V AC (40 VA) UL/CSA Listed, for Indoor Use

T1240

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