PULS AP157.121 19-Inch Rack Power Supply
- Model: AP157.121
PULS AP157.121 FEATURES
- AC 100-120/200 - 240V AC-Input Voltage
- 15Vdc nominal Voltage
- 12A Output Current Range
PULS AP157.121 INTRODUCTION
This unit is designed to supply a variety of popular voltages for high-power rack-mounted applications. The output voltage is stable with ripple and noise below 120 mVpp over the total range of up to 240W. The high-efficiency flyback converter provides greater reliability and economy.
The design ensures line disturbance immunity according to EN 6100-4, and VDE 0160 pulses (class 2 over the total range!). The unit is also protected against over-voltage and short circuits. Design and construction meet all relevant safety standards, such as EN 60950, VDE 805, and VBG 804.
The 48V and 60V versions are available for telecommunications and motor control applications.
As an Authorized Distributor of PULS, Manufacturers Automation Inc. (ManuAuto) offers a wide variety of Industrial Automation and Communication products across North America, including Canada (Ontario, Toronto) and the US. Buy PULS AP157.121 19-Inch Rack Power Supply online at a competitive price, with on-time delivery and fast shipping services. Our certified engineers are always available to support you.
You can also find the AP155.133 and AP153.133 models in the PULS 19-inch Rack Power Supply Series.
PULS AP157.121 CERTIFICATIONS

| PULS Power Supply : Input Data | |
| Input Voltage Range | AC 1: 88 to 132V, AC 2: 187 to 264V, DC: 250 to 300V |
| Nominal Input Voltage | - |
| Input Frequency Range | 47 to 63Hz |
| Input Current | max. 6.0Aeff. / 2.8Aeff. @ 115/230V AC |
| Power Factor | typ. 0.67 λ |
| Crest Factor | - |
| Inrush Current | max. 50 A |
| Input Fuse | 5 x 20mm T8A/250V (IEC127/2-5) |
| PULS Power Supply : Output Data | |
| Output Voltage Range | - |
| Nominal Output Voltage | 15 VDC |
| Output Current | 12 A at 15 V |
| Output Power | max. 240W |
| Power Boost | - |
| Output Capacitance | - |
| PULS Power Supply : Protection Features | |
| Overload Protection | Yes |
| Reverse Input Polarity Protection | No |
| Over-Temperature Protection | - |
| Input Transient Protection | No |
| Output Transient Protection | No |
| Short Circuit Protection | Yes |
| Output Overvoltage Protection | Yes: typ. 18.0V |
| PULS Power Supply : General | |
| MTBF | SN29500: typ. 300,000h |
| Connection Method | Screw terminals |
| AC/DC OK | AC/DC: Yes |
| LED Indicators | 1 green LED |
| Remote ON / OFF Function | - |
| IO-Link Interface | - |
| PULS Power Supply : Physical Characteristics | |
| Operating Temperature | 0° to +70°C |
| Storage Temperature | -20° to +100°C |
| Relative Humidity Range | 95% Non-condensing |
| Altitude Range | - |
| Derating | 55°C to +70°C Ta: 1W/K |
| Dimensions | 71 mm x 110 mm x 172 mm |
| Weight | 860 g |
| Mounting Type | 19" rack |
| Housing | - |
| Standards and Certifications | IEC 68-2-6, IEC 68-2-27 |