Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Output current | 40 A rated value; max. aggregate current 40 A; +60 … +70 °C: derating 3%/K |
| Input voltage | 24 … 28.8 V DC |
| Output voltage | 24 V DC at rated value |
| Output signal | Isolated relay contact, changeover contacts, rating 8 A/240 V AC, 24 V DC |
| Switching threshold | 20 … 25 V |
| Connection | Input, output and ground: 1 screw terminal each for 0.33 … 10 mm2 single-core/finely stranded |
| Auxiliary contacts | 3 screw terminals for 0.5 … 2.5 mm2 single-core/finely stranded |
| Mounting | Snaps onto DIN rail EN 60715 35×7.5/15 |
| Protection | IP20 |
| Operating temperature | -40 … +70 °C in horizontal mounting position during operation, with natural convection |
| Galvanic isolation | No galvanic isolation between input and output |
Applications
- Power-supply decoupling: Decouples two SITOP power supplies with max. 20 A output current each.
Key Features
- Redundancy module function: Suitable for decoupling two SITOP power supplies with max. 20 A output current each.
- Input and output: Input voltage at DC: 24 … 28.8 V. Output voltage at DC rated value: 24 V; rated output current: 40 A.
- Output signaling: Isolated relay contact with changeover contacts, rated 8 A/240 V AC, 24 V DC; signals OK if both input voltages exceed the switching threshold.
- Power loss and efficiency: Efficiency: 96.5 %. Power loss: 34 W typical at rated output voltage and rated output current; 1.5 W maximum during no-load operation.
- Connection and mounting: Screw terminals; DIN-rail mounting on EN 60715 35×7.5/15. Enclosure dimensions are 70 × 125 × 120 mm.
- Protection and coating: IP20 protection, Class III operating resource protection, and conformal coating with Type 1 protection against pollution.
Frequently Asked Questions
1. What does the 6AG1961-3BA21-7AX0 redundancy module do?
It is suitable for decoupling two SITOP power supplies with max. 20 A output current each.
2. What are the rated input and output values?
The input voltage at DC is 24 … 28.8 V, the output voltage at DC rated value is 24 V, and the rated output current is 40 A.
3. How is the module connected and mounted?
It uses screw terminals and snaps onto DIN rail EN 60715 35×7.5/15.
4. Does the module provide galvanic isolation between input and output?
It is without galvanic isolation between input and output.
