Product Description
Standex Electronics KSK-1A85 Sereis Reed Switch; 30 ~ 40 AT; SPST-NO; 100 W; 1000 V; 1.0 A; High Power, High Voltage
Reed Switch • Contact Configuration: SPST-NO • Operate Range: 30 ~ 40 AT • Contact Rating: 100 W • Switching Voltage: 1000 V • Switching Current: 1.0 A • Size Body: 0.826" L x 0.108" Dia (21.00mm x 2.75mm) • Special Feature: High Power, High Voltage
Product Information
| Manufacturer | Standex Electronics |
| Product Category | Switch |
| Product Sub Category | Reed Switch |
| Series | KSK-1A85 Sereis |
| Catalog Part Number | KSK-1A85-3040 |
Specifications
| Product Attribute | Attribute Value |
|---|---|
| Contact Configuration | SPST-NO |
| Operate Range | 30 ~ 40 AT |
| Contact Rating | 100 W |
| Switching Voltage | 1000 V |
| Switching Current | 1.0 A |
| Overall Length (mm) | 2.185" (55.5mm) |
| Size Body | 0.826" L x 0.108" Dia (21.00mm x 2.75mm) |
| Special Feature | High Power, High Voltage |
Series Features
KSK-1A85 Series Reed Switch
Series DescriptionThe KSK-1A85 Series is a high-power, high-voltage reed switch designed for demanding applications requiring robust electrical performance and compact form factor. With a glass body length of 21.0 mm and diameter of 2.75 mm, this SPST-NO (Form A) switch supports switching voltages up to 1,000 VDC, currents up to 1.0 A, and a rated power of 100 W.
Its hermetically sealed vacuum design ensures long-term reliability in harsh environments, while the wide operate range (15–55 AT) allows for flexible magnetic actuation. The KSK-1A85 is UL-approved and widely used in automotive, industrial, and test equipment applications.
- High Voltage Capability: Up to 1,000 VDC switching
- High Power Handling: Rated for 100 W applications
- UL Approved: Ensures safety and compliance
- Hermetically Sealed: Reliable operation in harsh environments
- Fast Switching: Low operating and release times
- Durable Construction: Shock resistance up to 50 g, vibration resistance up to 20 g
- Wide Temperature Range: Operates from -40°C to +130°C
Automotive Systems: EV battery management, high-voltage switching
Test & Measurement (ATE): Precision switching in high-voltage test setups
Industrial Controls: Power distribution, motor control
HVAC & White Goods: Line voltage switching and control
Position & Level Sensing: Valve detection, fluid level monitoring