| Brand | TJC Teknik |
|---|---|
| Order number | 010200A, 012010A, 012020A, 012040A, 012050A, 012070A |
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TJC Teknik OA 721A – Photocell amplifier with automatic gain control
- Brand
- TJC Teknik
- Part number
- OA 721A
- Order number
- 010200A+5 variants, see Ordering information
Photocell amplifier with automatic gain control
- Supply options: 230 V, 115 V, 24 VAC ±10 %, 45–65 Hz; 24 V, 12 VAC/DC +15 % / −20 %
- Output, relay: single-pole changeover, 250 VAC, 8 A
- Dimensions: approx. 85 x 76.5 x 38 mm (see data sheet drawing)
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11-pin plug-in photocell amplifier with automatic gain control (AGC). The OA 721A works with all TJC Teknik transmitters and receivers that operate with a separate amplifier.
Features
- Automatic gain control (AGC)
- 11-pin plug-in module
- LED indication of amplifier activation
- Relay or transistor output, NPN or PNP
Technical data
| Series | OA 721A |
|---|---|
| Supply options | 230 V, 115 V, 24 VAC ±10 %, 45–65 Hz; 24 V, 12 VAC/DC +15 % / −20 % |
| Output, relay | single-pole changeover, 250 VAC, 8 A |
| Output, solid state | NPN or PNP, 50 mA, 30 VDC |
| Power consumption | approx. 2.8 VA |
| Modulation frequency | approx. 7.5 kHz |
| Response time | typ. 25 ms |
| Ambient temperature | −20 °C to +55 °C |
| Housing | 11-pin plug-in, Noryl |
| Gain control | allows 10:1 change |
| Weight | max. 190 g |
| Dimensions | approx. 85 x 76.5 x 38 mm (see data sheet drawing) |
Ordering information
| Type no. | Version |
|---|---|
| 010200A | 230 VAC, relay output |
| 012010A | 115 VAC, relay output |
| 012020A | 48 VAC, relay output |
| 012040A | 24 VAC, relay output |
| 012050A | 24 VAC/DC, relay output |
| 012070A | 12 VAC/DC, relay output |
Downloads
- Data sheet OA 721A






