Alpha T2440, T2420, T1240 Specsheet

Product Specification Sheet A PS432 - Rev. 10/2013

U.L. Listed Plug-In Power Transformers

42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: [phone] • Fax: [phone]

TOLL-FREE: [phone] • Web: AlphaCommunications.com • Email: [e-mail]

Copyright© 1998-201 4 Alpha Communications® - All Rights Reserved.

Due to co ntinuous pro duct improvement, all colo rs, sizes, materials, finishes and specification s are subject to ch ange without n otice.

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Typical Plug-in Transform er

Architects' and Engineers' Specifications

The plug-in transformer(s) shall be Alpha Communicat ions®
(MODEL NO. HERE) or approved equal. Transformer(s) shall be
made of heavy duty ABS plastic, and shall be U.L. Listed for Class
II indoor locat ions.

Transformers shall have positive screw terminal connec tions for
the secondary wiring, and shall contain a built- in thermal fuse, to
protect t hese t ransformers from overheating and igniting.

Transformers shall be sec ured to the electrical outlet with a set
screw for sec ure installation

Contract or shall observe all local and national electrical and
building codes.

Features

Alpha Communications® feat ures a c omplete line of U.L.® Listed
plug-in transformers to power their intercoms, video-intercoms,
nurse-call systems, and various signalling systems and devices.

The Alpha Communicat ions® Class 2 plug-in transformers were
designed for quick and easy installation in applicat ions where
pigtail-type transformers are impract ical or unsightly. They are
particularly suitable for use in home or office installations, or in
areas where t he transformer must be exposed.

All models can be secured to the elect rical outlet with a set screw
for sec ure installation, once plugged in to the wall outlet. A built-in
thermal fuse protects t hese t ransformers from overheating and
igniting. Sec ondary c onnect ions are made t o c onvenient sc rew
terminals. All models are U.L. listed for c lass II indoor wiring, and
most models have a built- in LED power 'on' indic ator.

Models & Specifications

T1220

120VAC primary
12VAC, 20VA secondary

T1240

120VAC primary
12VAC, 40VA secondary

T1620

120VAC primary
16VAC, 20VA secondary

T1640

120VAC primary
16VAC, 40VA secondary

T2420

120VAC primary
24VAC, 20VA secondary

T2440

120VAC primary
24VAC, 40VA secondary

Important Note

Most models measure 3.00"W (77mm) x 4.00"H (102mm) x 2.50"D
(64mm), not including elect rical prongs that plug into elect rical
outlet.