Aiphone SA-1 Specsheet

Accessories

SA-1

Surge Arrestor for Aiphone Intercom Systems

DESCRIPTION:

The SA-1 is a surge arrestor designed to protect
Aiphone intercom systems from damage due
to power surges and lightning strikes. It can be
used to protect power inputs to all Aiphone DC
powered systems, and to protect intercom
circuits by dispersing surges on the station
wires.

Each SA-1 will protect two intercom station
wires and discharge up to 180V of current.

SA-1

FEATURES:

• Helps prevent damage to Aiphone intercoms
caused by power surges and lightning strikes

• Discharges up to 180V of surging voltage

• Mulitple SA-1’s can be used within a system

• Each SA-1 protects two wires connected to intercom

• Easy to install - screw terminal connections

• Small size makes the SA-1 easy to mount and conceal

Used on the following systems:

• C-123L/A • MP-S

• CCS-1A • MK & MY

• IE • NEM

• LEM • MC-60/4A

• LEF • VC-M

• AP-M • VY

Example #1: Surge protection on the power line:

• Install the SA-1’s as close as possible to the power source.

AC Transformer or

DC power supply

Aiphone

Unit Power

T erminals

SA-1

Example #2: Surge protection on the LEF system

SPECIFICATIONS:

Power: Supplied by master
Discharge Voltage: Approx. 180V
Isolation Resistance: Approx. 10 Gig Ohms
Max. Surge Current: Approx. 2.5K Amp
Dimensions (HxWxD): 2-1/8: x 1-3/8” x 7/8”

NOTE: Distance from unit being protected to SA-1 must be shorter than the wire run to the next device.

DISCLAIMER: Use of SA-1 does not guarantee absolute protection from power surge damage.

Aiphone Communication Systems • 1700 130th Ave. N.E. • Bellevue, WA 98005

[phone] • FAX: [phone] • [phone] • www.aiphone.com

• Each SA-1 handles TWO wires on the LEF system. For best
results, protect all the wires connected to the master station
with SA-1 surge arrestors.

LEF Master

LE-DA

SA-1

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SA-1

LE-DA