Nascom N505ASCD-ST4KSP300 N505AS Curtain Door Set with 4K Resistor In Ser/Par and 25 Foot Cable
SKU
N505ASCD-ST4KSP300
Model No
N505ASCD-ST4KSP300
was $135.00 Special Price $125.00
Product Highlights
- No Dead Spot Technology
- 24" Armored Cable Lead Protection
- Extra Wide Gap - N35 NdFeB Rare Earth Magnet
- 36" 22AWG Wire Leads
- Protective Wear Pad

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The N505ASCD-ST4KSP300 from Nascom is a high-performance curtain door set featuring a 4K resistor in series/parallel configuration and a 25-foot cable. Designed for convenience and reliability, this set includes a short, 2" block switch with an L bracket, making it ideal for rollup and curtain doors. Key benefits include enhanced detection capabilities with No Dead Spot technology, preventing false alarms and ensuring maximum gap performance with a robust N35 NdFeB magnet.
Nascom N505ASCD-ST4KSP300 Curtain Door Set Features
- No Dead Spot Technology: Prevents false alarms from warping or shifting of doors, ensuring reliable operation.
- 24" Armored Cable Lead Protection: Increases durability and lifespan of the cable, protecting it from external damage.
- Extra Wide Gap - N35 NdFeB Rare Earth Magnet: Offers maximum gap performance, enhancing the reliability of door security.
- 36" 22AWG Wire Leads: Provides flexibility and ease of installation with extended lead length.
- Protective Wear Pad: Reduces wear and tear, prolonging the operational life of the set.
- Extruded Anodized (Type II) Aluminum: Ensures a lightweight yet robust construction that is resistant to corrosion.
- Listed To UL634 Standard: Meets industry standards for performance and safety, giving peace of mind to users.
Nascom N505ASCD-ST4KSP300 Additional Information
- Set: Switch/Magnet Special
- Color: Silver
- EndofLine (EOL) Resistors: SER/PAR
- Flange: N
- Switch Size: L1.625" X W1.125" X H0.500"
- Magnet Size: L1.625" X W1.125" X H0.500"
- Termination: Armored Cable Over 22AWG UL 1061
- Circuit Configuration: Closed Loop
- Lead Length (in.): 300
- Standard Ohm Resistor Values: 4K
Detailed Specifications for Nascom N505ASCD-ST4KSP300
| Feature | Details |
|---|---|
| Set | Switch/Magnet Special |
| Color | Silver |
| EndofLine (EOL) Resistors | SER/PAR |
| Flange | N |
| Switch Size | L1.625" X W1.125" X H0.500" |
| Magnet Size | L1.625" X W1.125" X H0.500" |
| Termination | Armored Cable Over 22AWG UL 1061 |
| Circuit Configuration | Closed Loop |
| Lead Length (in.) | 300 |
| Standard Ohm Resistor Values | 4K |
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