Product Overview
The Siemens 6EP1334-3BA10 is a stabilized power supply from the SITOP PSU200M series, delivering 24 V DC at 10 A. This Industrial Automation Module is designed for reliable operation in demanding environments, featuring a wide input voltage range (120-500 V AC, 1-phase or 2-phase) and a high efficiency of 91%. With robust protection features and a long MTBF of over 1 million hours, the Siemens 6EP1334-3BA10 ensures minimal downtime and reduced total cost of ownership.
Key Technical Specifications
The Siemens 6EP1334-3BA10 offers the following critical parameters:
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Output voltage: 24 V DC (adjustable 24-28.8 V via potentiometer)
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Rated output current: 10 A (0-10 A range; derating above 60°C)
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Input voltage range: AC 85-264 V (setting 120-230 V) or AC 176-550 V (setting 230-500 V)
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Efficiency: 91% typical, reducing energy losses
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Ripple and noise: Residual ripple ≤50 mV; voltage peaks ≤200 mV
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Protection: Short-circuit proof with selectable constant current or latching shutdown; overvoltage protection <35 V
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Ambient temperature: Operation -25 to +70°C; startup tested from -40°C
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Dimensions: 70 x 125 x 121 mm (W x H x D)
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Certifications: CE, cULus, CSA, UKCA, EAC, RCM, CB, and shipbuilding approvals (ABS, DNV)
Industry Applications
The Siemens 6EP1334-3BA10 is ideal for machine building, conveyor systems, and process control panels where a compact, reliable 24 V DC supply is required. Its buffering capability (25 ms minimum, up to 150 ms at 400 V input) ensures ride-through during brief power interruptions, critical for continuous manufacturing processes. The high efficiency (91%) reduces heat dissipation and energy costs, contributing to a lower carbon footprint.
Installation & Setup
Mount the Siemens 6EP1334-3BA10 by snapping it onto a standard DIN rail (EN 60715 35x7.5/15). Connect input wiring using screw terminals (0.2-2.5 mm²) for L, N, and PE. For 1-phase operation, use a miniature circuit breaker rated 6-10 A (characteristic C or B). For 2-phase operation, use a 2-pole breaker or recommended types (3RV2011-1EA10 at 230 V; 3RV2011-1DA10 at 400/500 V). Output terminals support dual connections for daisy-chaining or redundancy. The green LED indicates normal operation; the relay contact (NO, 60 V DC / 0.3 A) provides a remote 24 V OK signal.
Maintenance & Reliability
The Siemens 6EP1334-3BA10 features a MTBF of 1,055,408 hours at 40°C, ensuring long service life. Its IP20 enclosure protects against solid objects. Periodic inspection of terminal tightness and ambient temperature is recommended. The derating characteristic above 60°C (2%/K for low input voltages, 3.5%/K for high input) should be considered when sizing for high-temperature cabinets. The buffering module accessory can extend ride-through time for critical loads.
Selection Guide
Before purchasing the Siemens 6EP1334-3BA10, verify your system’s input voltage configuration (1-phase or 2-phase) and required output current. For increased power, up to two units can be paralleled using the switchable bridging feature. The optional buffer module enhances power failure bridging. For genuine industrial automation spares, contact PLC Source PRO (formerly ubest101) for availability and competitive pricing.