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2240
Transformer
- Double-isolated transformer
- 3.75 kVAC isolation voltage
- 30 VA ring core transformer
- Thermal overload protection
- 12 or 24 VAC secondary voltage
- Standard 11-pole relay socket
Advanced features
- Two transformers may be paralleled for higher output power.
Application
- Transformer for supply of components with 12 or 24 VAC supply voltage.
- Transformer for stabilized DC power supplies, e.g. type 2229.
- Suitable for PELV/SELV applications.
Technical characteristics
- Standard primary input voltages of 115 or 230 VAC.
- Standard secondary voltages of 12 or 24 VAC.
- Ring core transformer with separate 3.75 kVAC isolation voltage between primary and secondary windings.
- Fitted with a thermal fuse.
- The device is supplied with a retention clip for a safe attachment to the relay socket.
- Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.
Environmental Conditions
| Operating temperature | -20°C to +60°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP50 |
Mechanical specifications
| Dimensions (HxWxD) | 80.5 x 35.5 x 84.5 mm (D is without pins) |
| Weight approx. | 600 g |
Common specifications
Isolation voltage |
|
| Isolation voltage, test / working | 3.75 kVAC / 250 VAC |
| Power derating | Tamb. > 25°C, 0.4 VA/°C |
| EMC immunity influence | < ±0.5% of span |
Input specifications
| Primary voltage |
207...253 VAC
97.75...132.25 VAC |
| Frequency | 50...60 Hz |
Output specifications
| Secondary voltage (loaded) |
24 VAC / 1.25 A
12 VAC / 2.50 A |
| Secondary voltage (unloaded) |
28 VAC
14 VAC |
| of span | = of the presently selected range |
Observed authority requirements
| EMC | 2014/30/EU |
| LVD | 2014/35/EU |
| RoHS | 2011/65/EU |
| EAC | TR-CU 020/2011 |