SITOP PSE200U 6EP1961-2BA11 4-Channel Selectivity Module by Siemens

6EP1961-2BA11 – SITOP PSE200U Selectivity Module

This module protects four 24 V DC outputs. It trips on overcurrent to keep your system safe. Each output is adjustable from 0.5 A to 3 A. It is a reliable choice for industrial power distribution.

• Brand: Siemens
• Model: 6EP1961-2BA11
• Series: SITOP PSE200U
• Type: 4-channel Selectivity Module (0.5-3 A)

Key Features

• 4 independent outputs – each adjustable 0.5 to 3 A
• Common signaling contact – for remote fault indication
• Three-color LEDs – green (ON), yellow (off manually), red (fault)
• Remote reset input – non-isolated 24 V signal
• High efficiency – 97% typical, low power loss (9 W)
• Sequential connection – via DIP switch (25 ms, 100 ms, or load-optimized)
• Protection – input fuse 5 A per output (not accessible)

Technical Specifications

• Input voltage: 22 … 30 V DC (rated 24 V)
• Input current: 12 A at 24 V
• Output voltage: Vin – 0.2 V (controlled DC)
• Number of outputs: 4
• Output current per channel: 0.5 … 3 A (adjustable)
• Response delay: max 5 s
• Switch-off characteristics:
  • 1.0–1.5 x set value → off after ~5 s
  • 1.5 x set value → off after ~100 ms
  • If Vin < 20 V → off after ~0.5 ms
• Residual current after trip: ~1 mA
• Efficiency: 97%
• Power loss: typ. 9 W
• MTBF at 40 °C: 755,915 hours

Installation & Mounting

• Snap onto DIN rail EN 60715 (35×7.5/15).
• Dimensions: 72 x 80 x 72 mm (W x H x D).
• Required clearances: 50 mm top/bottom, 0 mm left/right.
• Use screw terminals for wiring (0.5 … 16 mm² for input).
• Ambient temperature: -25 … +60 °C (operation).

Maintenance & Debugging

• LEDs show channel status at a glance.
• Remote reset helps clear faults without physical access.
• No special tools needed for adjustment.
• DIP switch allows easy timing setup.

Compatibility

• Software: none required (standalone module).
• Compatible with: any 24 V DC power supply (e.g., SITOP PSU).
• Mounting: standard DIN rail, fits all SITOP systems.

Certifications & Standards

• CE, UL (File E328600 / E197259), cULus, EAC, CB
• EN 60950-1, EN 50178, EN 55022 Class B, EN 61000-6-2
• Shipbuilding approvals: ABS, DNV
• Environmental Product Declaration (GWP: 290.7 kg CO2 eq.)
• Protection class: IP20, Class III

Package Contents

• 6EP1961-2BA11 selectivity module (1 unit)
• Quick start guide
• Warranty card (12 months)

Warranty & Logistics

• Warranty: 12 months from purchase date.
• Shipping: 12–24 hours dispatch.
• Carriers: FedEx, UPS, DHL (tracking provided).

Expert Review

This module is a solid choice for 24 V DC distribution. Its adjustable trip levels and fast switch-off protect sensitive loads. The common signaling contact simplifies fault monitoring. With 97% efficiency, it wastes little energy. Easy DIN-rail mounting and clear LEDs make it user-friendly.

Manager’s Insight

For plant managers, this unit reduces downtime. The remote reset saves time during fault recovery. Sequential connection prevents inrush current issues. It is a cost-effective way to add selectivity to existing SITOP supplies. We recommend it for critical control panels.

Applications & Suitable Devices

• Ideal for: PLCs, sensors, actuators, small motors, and control circuits
• Industries: Factory automation, machine building, process control, material handling
• Use with: SITOP power supplies, third-party 24 V DC sources
• Typical applications: Selective load protection, remote reset in distributed I/O, fault isolation in panels

Frequently Asked Questions

• Can I adjust each channel independently?
  Yes, each of the 4 outputs has its own potentiometer (0.5–3 A).
• What happens if an output trips?
  The red LED lights up. The output stays off until you reset it manually or via remote reset.
• Can I use this with a non-Siemens power supply?
  Yes, as long as the input is 22–30 V DC and rated for at least 12 A.
• How do I set the sequential connection?
  Use the DIP switch to choose 25 ms, 100 ms, or “load-optimized”.
• Is the remote reset electrically isolated?
  No, it is a non-isolated 24 V input (active high >15 V).
• What is the maximum ambient temperature?
  60 °C with natural convection. Derating may apply above 60 °C.
• Does it have ATEX or IECEx certification?
  No, this module is not certified for hazardous areas.

Selection Guide

• If you need 4 protected outputs with adjustable current, choose this module.
• For remote reset capability in hard-to-reach panels, this is ideal.
• When you want sequential startup to avoid inrush, use this unit.
• If you already use SITOP PSU, this module is a perfect match.
• For high reliability (MTBF > 750,000 h), this is a dependable choice.

Contact Information

For inquiries, please contact us:

• sales@powergearx.com
• +86 18030005825 (WhatsApp)

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