Siemens Sitop PSU4200 Stabilized power supply, 24VDC, 20A Part number 6EP3336-3SB00-0AX0

Product Overview

The Siemens 6EP3336-3SB00-0AX0 is a SITOP PSU4200 single-phase power supply unit delivering 24 V DC output at 20 A (480 W nominal). It accepts wide-range AC input voltage (120–240 V) and is designed for DIN-rail mounting in industrial automation systems where a stable and robust 24 V DC supply is required.

Key Features

• Output: 24 V DC, rated current 20 A
• Wide input voltage range: 120 V–240 V AC (automatic selection)

• High efficiency (approx. 93 %) and low power loss (typical 37 W)

• Galvanically isolated and regulated output; short-circuit and no-load proof

• Adjustable output voltage (24…28 V DC) via front potentiometer

• Diagnostics: green LED “24 V OK” and signal contact for DC OK


Technical Specifications

• Article Number: 6EP3336-3SB00-0AX0
• Product Family: SITOP PSU4200 – 1-phase 24 V DC series
• Rated Output Current: 20 A
• Nominal Output Power: 480 W
• Input Voltage Range: 120…240 V AC
• Output Voltage: 24 V DC (adjustable to 28 V)

• Efficiency: approx. 93% at rated load

• Power Loss at Rated Load: approx. 37 W

• Buffer/Peak-Hold Time on Mains Failure: min. 15 ms at rated output current

• Dimensions (W×H×D): 70 mm × 135 mm × 125 mm

• Weight: approx. 0.93 kg

• Protection Rating: IP20 (housing)


Compliance & Certifications

• CE marked, UL/cULus listed (UL 508 and CSA C22.2 No. 107.1)

• Conforms to EMC and safety standards for industrial automation (EN 55032, EN 61000-6-2, etc.)


Applications

This power supply is ideal for industrial control panels, machine automation systems, distributed control networks and any environment requiring a reliable 24 V DC supply with robust diagnostics. It is particularly suited for DIN-rail installation, 24 V control systems and automation installations where quality and uptime are critical.