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The 3500/15 Power Supply module accepts a wide range of AC and DC input voltages and provides regulated DC power to all other modules in the 3500 rack. The module is available in multiple variants: 3500/15-A (AC), 3500/15-B (DC), and 3500/15-D (high-voltage DC).
For API 670 machinery protection, two 3500/15 modules are typically installed in redundant configuration. The 3500 rack can hold up to two 3500/15 modules, supporting automatic failover without rack shutdown.
| Input voltage | 85-264 VAC / 88-140 VDC |
| Output voltage | +24 VDC regulated |
| Power output | 75 W continuous |
| Module type | Half-height |
| Redundancy | Supports dual redundant |
| Operating temperature | -30°C to +65°C |
| MTBF | >300,000 hours |
| Certifications | UL, CE, ATEX |
