CV-550 SPK V3 REFERENCE MANUAL
INSTALLATION INSTRUCTIONS
Page 5 of 33
1.4
Technical parameters
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Working Voltage: AC/DC10-28V
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Standby current: ≤35mA (Input DC12V)
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Operating current: ≤100mA (Input DC12V)
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Working temperature: -40 °F + 140 °F ( -40 to 60 °C)
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Working humidity: 0-95%
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Lock signal relay contact current: ≤1A
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Alarm (or doorbell) signal MOS output current: ≤1A
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Distance of reading EM card: ≤ 2 inches (5 cm)
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Distance of reading HID card: ≤ 2 inches (5 cm)
1.5
Applicable models
This user manual applies to the following items:
1. CM-550SPK v3 Stand Alone Keypad & Reader with 12 colored wire leads.
2. Rain /Privacy Shield for the keypad.