Electrical ratings – System Sensor DH400ACDCP User Manual
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D400-13-00
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I56-0555-010R
Electrical Ratings
Power Supply Voltage
20 - 29 VDC
24 VAC 50 - 60 Hz
120 VAC 50 - 60 Hz
220/240 VAC 50 - 60 Hz
CURRENT REQUIREMENTS (USING NO ACCESSORIES)
Max. standby current
25 mA
35 mA AC avg.
20 mA AC avg.
20 mA AC avg.
Max. alarm current
95 mA
55 mA AC avg.
55 mA AC avg.
30 mA AC avg.
CONTACT RATINGS
Alarm initiation contacts (SPST)
2.0A @ 30 VAC/DC (0.6 power factor)
Alarm auxiliary contacts (DPDT)
10A @ 30 VDC
10A @ 250 VAC
Trouble contacts (SPST)
0.3A @ 32 VDC (resistive)
Note: Alarm auxiliary contacts must switch 500 mA minimum at 24VDC. Alarm auxiliary contacts shall not be
connected to inititaing circuits of control panels. Use the alarm initiation contact for this purpose.
ACCESSORY CURRENT LOADS AT 24 VDC
DEVICE
APA451
PA400
RA400Z
RTS451/ RTS451KEY
STANDBY
12mA MAX
0mA
0mA
0mA*
ALARM
30mA MAX
15mA MAX
10mA MAX
10mA MAX*
ANY COMBINATION OF ACCESSORIES MAY BE
USED SUCH THAT THE GIVEN CURRENT LOADS TOTAL:
100mA OR LESS IN THE STANDBY STATE,
150mA OR LESS IN THE ALARM STATE.
*NOTE: WHEN INITIATING AN ALARM, THE RTS451/
RTS451KEY REQUIRES 95 mA MAXIMUM IN
PRE-ALARM AND 103 mA MAXIMUM IN ALARM.
NOMINAL STANDBY CURRENT IS 0mA. ALARM
CURRENT IS 10 mA MAXIMUM WHEN TEST
MAGNET IS REMOVED.
Three-Year Limited Warranty
System Sensor warrants its enclosed product to be free from defects in
materials and workmanship under normal use and service for a period
of three years from date of manufacture. System Sensor makes no other
express warranty for the enclosed product. No agent, representative,
dealer, or employee of the Company has the authority to increase or alter
the obligations or limitations of this Warranty. The Company’s obliga-
tion of this Warranty shall be limited to the replacement of any part of
the product which is found to be defective in materials or workman-
ship under normal use and service during the three year period com-
mencing with the date of manufacture. After phoning System Sensor’s
toll free number 800-SENSOR2 (736-7672) for a Return Authorization
number, send defective units postage prepaid to: System Sensor, Returns
Department, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174.
Please include a note describing the malfunction and suspected cause
of failure. The Company shall not be obligated to replace units which
are found to be defective because of damage, unreasonable use, modi-
fications, or alterations occurring after the date of manufacture. In no
case shall the Company be liable for any consequential or incidental
damages for breach of this or any other Warranty, expressed or implied
whatsoever, even if the loss or damage is caused by the Company’s
negligence or fault. Some states do not allow the exclusion or limita-
tion of incidental or consequential damages, so the above limitation or
exclusion may not apply to you. This Warranty gives you specific legal
rights, and you may also have other rights which vary from state to state.
Please refer to insert for the Limitations of Fire Alarm Systems
H0538-00