SIEMEN POWER SUPPLY 6EP1931-2EC31

About SIEMEN POWER SUPPLY 6EP1931-2EC31

The Siemens Power Supply 6EP1931-2EC31 is a robust industrial power supply designed for reliable performance in various industrial applications. Operating at a voltage of 24 Volt, this electric power supply ensures a steady power output. With a sleek grey finish and standard size, this new power supply unit is suitable for industrial usage. Backed by a 1-year warranty, you can trust in its durability and quality for your operations.

SITOP DC UPS Module 24V/15A (Serial)

Part Number: 6EP1931-2EC31

General Description

• Uninterruptible power supply (UPS) module

• Input: 24 V DC / 16 A

• Output: 24 V DC / 15 A

• Serial interface for monitoring

• Designed for industrial applications with battery buffering

Input Specifications

• Rated voltage: 24 V DC

• Permissible voltage range: 22 29 V DC

• Adjustable response voltage for buffer connection: 22 25.5 V (0.5 V increments)

• Input current at rated voltage: 15 A (+ ~1 A with empty battery)

• Energy storage type: Batteries

Output Specifications

• Output voltage (normal operation): 24 V DC

• Output voltage (buffering mode): 19 28.5 V DC

• Output current: 0 15 A (rated 15 A)

• Peak current: 15.7 A

• Short-circuit proof: Yes

• Startup delay: ~1 s

• Voltage increase time: ~60 ms

Efficiency & Power Loss

• Efficiency at rated output: 96.2 %

• Efficiency on battery operation: 96 %

• Power loss: 14 W (rated), 15 W (battery)

• Supplied active power: 360 W

Protection & Monitoring

• Reverse polarity protection (input & battery): Yes

• LED Indicators:

  • Green: Normal operation / Battery > 85%

  • Yellow: Buffering mode active

  • Red: Alarm / Battery replacement required

• Floating changeover contacts for status signaling: OK, Alarm, Bat > 85

Interfaces

• PC interface: Yes

• Communication function: No

• Interface design: Serial

Safety & Standards

• Galvanic isolation input/output: No

• Protection class: III, IP20

• Emitted interference: EN 55022 Class B

• Immunity: EN 61000-6-2

• CE marking, UL, EAC approvals

• Marine approvals: ABS, DNV

MTBF

• At 40 C: 725,689 h

Ambient Conditions

• Operating temperature: -25 +60 C

• Storage / Transport: -40 +85 C

• Environmental category: IEC 60721, Climate class 3K3, 5 95% RH, no condensation

Connection

• Electrical connection: Screw terminals

  • Input: 2 14 mm

  • Output: 4 14 mm

  • Battery: 2 14 mm

  • Control & status: 10 0.52.5 mm

Mechanical Data

• Dimensions: 50 125 125 mm (WHD)

• Installation width mounting height: 50 225 mm

• Mounting: DIN rail EN 60715 35x7.5/15

• Weight: 0.45 kg 

Technical Details