Siemens SIPLUS PSU8200 24VDC 40A 960W DIN Rail Power Supply

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Product Specifications

Brand: Siemens
Part Number: 6AG1337-8SB00-7AY0
Type: Single-Phase Switching Power Supply
Series: SIPLUS PSU8200
Rated Power: 960 W
Output Voltage: 24 V DC (adjustable 24-28.8 V)
Output Current: 40 A
Input Voltage: 85-264 V AC
Efficiency: 92%
Operating Temperature: -40 to +70 °C
Protection Degree: IP20
Mounting: DIN Rail
Certifications: CE, SELV (EN 60950-1, EN 50178)

Product Description

The Siemens SIPLUS PSU8200 6AG1337-8SB00-7AY0 is a heavy-duty 960W switching power supply delivering 24VDC at 40A for demanding industrial control systems in extreme environments. Based on the standard SITOP PSU8200 6EP3337-8SB00-0AY0 with conformal coating, it powers large PLC racks, extensive I/O systems, motor starters, and high-current 24V loads in chemical plants, steel mills, offshore platforms, and mining operations where corrosive atmospheres, condensation, and temperature extremes are the norm.

Key Features

SIPLUS extreme conformal coating protects against corrosive gases (H2S, Cl2, NH3), 100% RH condensation, frost, salt mist (EN 60068-2-52 severity 3), and chemical contaminants
Wide operating temperature range: -40 to +70 °C (horizontal mounting, natural convection)
92% efficiency — among the highest in its class — minimizes heat generation and energy cost
Switchable parallel operation capability for redundancy or power boosting in multi-unit configurations
Selectable overload response: constant current mode or latching shutdown with restart
Adjustable output voltage (24-28.8 V) for voltage drop compensation over long cable runs
Stabilized output with ±3% tolerance and <100 mVpp residual ripple
Protection Class I with SELV galvanic isolation per EN 60950-1 and EN 50178
EN 55022 Class B EMI compliance for industrial and residential environments

Technical Data

Parameter	Value
Rated Power	960 W
Output Voltage	24 V DC (adjustable 24-28.8 V)
Output Current	40 A
Input Voltage (AC)	85-264 V (nominal 120/230 V)
Efficiency	92%
Residual Ripple	< 100 mVpp
Total Tolerance	±3%
Overload Response	Selectable: constant current / latching shutdown
Parallel Operation	Switchable for N+1 redundancy or capacity increase
Operating Temperature	-40 to +70 °C (horizontal mounting)
Max Installation Altitude	2,000 m
Protection Degree	IP20
Protection Class	I
Dimensions (W x H x D)	145 x 145 x 150 mm
Weight	3.1 kg
Base Model	6EP3337-8SB00-0AY0 (SITOP PSU8200)
Standards	EN 60950-1, EN 50178, EN 55022 Class B, EN 60068-2-52

Applications

This heavy-duty power supply is purpose-built for high-power 24VDC distribution in large-scale industrial automation systems deployed in aggressive environments — process industry control rooms with corrosive gas exposure, mining conveyor control stations subject to condensation and dust, offshore platform emergency shutdown systems, and steel mill automation panels. The parallel-capable design enables N+1 redundant configurations for critical processes where power continuity is essential. The 40A output supports large PLC installations with multiple I/O racks, industrial networking switches, and high-inrush loads such as contactor coils and solenoid valve banks.