Description
The Simplex 5120-9174 Power Supply is a fully regulated 24 VDC, 6 Amp switching power supply designed for building communication and timekeeping systems. It provides reliable, stable output power with built-in fuse protection on both primary and output circuits. This unit is engineered to ensure safe and uninterrupted operation of compatible Simplex systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Simplex |
| Category |
Electrical and Power Systems |
| Part Number |
5120-9174 |
| Subcategory |
Power Supplies |
| Input Voltage |
120 VAC, 47–63 Hz |
| Power Rating |
165 W |
| Output Voltage |
24 VDC ±2% |
| Output Current |
6 Amps total |
| Output Channels |
Three Class 2 outputs, 2 Amps each |
| Primary Protection |
3 Amp slo-blo fuse |
| Output Protection |
Auto-resetting fuses on all outputs |
| Overvoltage Protection |
Limits output to ~28 VDC during fault |
| Output Connection Options |
Outputs may be paralleled (not series connected) |
| Compatibility |
Simplex 5110, 5120, 5130 Building Communications Systems; 6333-9018 clocks |
| Dimensions |
8.9 × 5.6 × 2.2 in |
| Weight |
5 lbs |
Information About 5120-9174
The 5120-9174 is a 165-watt regulated power supply from Simplex, built to support the 5110, 5120, and 5130 Building Communications Systems as well as 6333-9018 digital clocks. It features three Class 2 outputs rated at 24 VDC and 2 Amps each, all safeguarded by auto-resetting fuses for dependable overload protection. Its switching regulator maintains output voltage within ±2% under varying load and input conditions, ensuring precise performance. With protective measures against overvoltage and current overloads, this model is optimized for critical facility communication and timing equipment.
Key Features:
- Regulated Power Output: Provides 24 VDC at 6 Amps with ±2% voltage regulation.
- Multiple Outputs: Three independent Class 2 outputs rated at 2 Amps each.
- Overload Protection: Auto-resetting fuses safeguard outputs from excess current.
- Primary Fuse Protection: 3 Amp slo-blo fuse shields the AC input.
- Overvoltage Limiting: Automatically restricts output to ~28 VDC in case of failure.
- Parallel Connection Capability: Outputs may be paralleled to increase available current.
- System Compatibility: Designed for Simplex digital clocks and building communication systems.
The 5120-9174 delivers the reliability and precision required for stable power distribution in communication and timing applications.
