6EP1961-2BA31 SIEMENS 24 V DC Buffer Module

SIEMENS 6EP1961-2BA31 24 V DC Buffer Module:

SITOP PSE200U 3 A selectivity module 4-channel input: 24 V DC/12 A output: 24 V DC/4x 3 A threshold value adjustable 0.5-3 A with status message for each output.

The Siemens 6EP1961-2BA31 is a 24 V DC buffer module (SITOP PSU300M series) designed to provide temporary power backup for industrial systems during voltage dips or short power interruptions. It ensures uninterrupted operation of critical loads by bridging power gaps and maintaining stable 24 V DC output. This module is compatible with SITOP PSU300M power supplies and is ideal for applications requiring high reliability, such as automation systems, control circuits, and safety-related equipment.

Technical Specifications:

Rated Output: 24 V DC / 10 A (240 W)

Input Voltage: 24 V DC (connected to SITOP PSU300M power supply)

Buffer Time: Up to 10 seconds (at 10 A load, depending on input voltage)

Capacitance: 470,000 µF (provides energy storage for short interruptions)

Charging Time: Approximately 3 seconds (after power restoration)

Protection:

Overload (110–140% of nominal current, auto-restart)

Short-circuit (withstands indefinite short circuits)

Overvoltage (28.8 V DC)

Approvals: UL 508, CSA, CE, and marine approvals (e.g., DNV, ABS)

Mounting: DIN rail (35 mm) or screw mounting

Dimensions (W x H x D): 124 mm x 127 mm x 90 mm

Weight: Approx. 1.2 kg

Operating Temperature: -20°C to +70°C (derating applies above +50°C)

Storage Temperature: -40°C to +85°C

Humidity: 5–95% RH (non-condensing)

Protection Class: IP20 (front), IP00 (rear)

Connectivity: Spring-type terminals (input/output)

Packing & Delivery:

1)100% brand New and Original Factory Seal!

2)Warranty: 1 year

3)Package: Original packing with cartons.

4)Delivery time: Shipped in 3-7 days after payment

5) All the goods will be tested before shipment.

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6EP1961-2BA31 SIEMENS 24 V DC Buffer Module Images