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This is a list of the technical specifications of the TNA 4
hardware range.
Hardware Feature Comparison
TNA 4 Hardware Overview
All devices require a 12V-18V DC power supply. The current required
depends on the options used. The following table shows the various
options, and the power they consume. (These numbers are measured
using a 15V power supply)
| Basic (no readers) |
160 mA |
| Dim Backlighting |
+ 40 mA |
| Bright Backlighting |
+ 100 mA |
| Barcode reader |
+ 30 mA |
| 682-10 GSC Wiegand
reader |
+ 60 mA |
| 30387 HID Wiegand
reader |
+ 30 mA |
| GSC Proximity reader |
+ 40 mA |
| Keypad |
+ 5 mA |
| Dallas Tag Reader |
+ 40 mA |
| Fingerprint Reader
- Identify |
+ 170 mA |
| Fingerprint Reader
- Verify |
+ 330 mA |
Example : Clock with 2 barcode readers, and bright backlighting
=
160 + 30 + 30 + 100 = 320 mA
| Basic (no readers) |
155 mA |
| Barcode reader |
+ 30 mA |
| 682-10 GSC Wiegand
reader |
+ 60 mA |
| 30387 HID Wiegand
reader |
+ 30 mA |
| GSC Proximity reader |
+ 40 mA |
| Keypad |
+ 40 mA |
| Dallas Tag Reader |
+ 40 mA |
| Fingerprint Reader
- Identify |
+ 170 mA |
| Fingerprint Reader
- Verify |
+ 330 mA |
| Basic (no readers) |
70 mA |
| Dim Backlighting |
+ 40 mA |
| Bright Backlighting |
+ 100 mA |
Check these ratings before attaching the clocks to Sirens, or
Electronic locks, or other external devices (via the Relays).
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DC Load |
AC Load |
| Contact Rating |
28 W |
60 VA |
| Maximum Switching
Voltage |
150 V |
220 V |
| Maximum Switching
Current |
2 A |
1.25 A |
| Maximum Carrying
Current |
2 A |
2 A |
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