Vaisala WSP150 Surge Protector
Features
- Can be used with all Vaisala wind and weather instruments
- Superior three-stage, transient surge protection
- Tolerates up to 10 kA surge currents
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
Overview
The Vaisala WSP150 Surge Protector is a compact transient overvoltage suppressor designed for outdoor use. It can be used with all Vaisala wind and weather instruments. The WSP150 offers three-stage protection against surge currents up to 10 kA entering through the power and signal cables.
Mechanics
The Vaisala WSP150 Surge Protector has four channels, two of which are dedicated to power lines and two for data lines. Each channel uses a three-stage protection scheme as follows: first, there are discharge tubes, then voltage-dependent resistors (VDR), and finally, transient zener diodes. Between each stage, there are either series inductors or resistors. Both differential and common mode protection is provided for each channel: across the wire pairs, against the operating voltage ground, and against the earth. The WSP150 also includes noise filtering against HF and RF interference.
Applications
Vaisala recommends using the WSP150 when wind and weather instruments are installed on top of high buildings or masts and in open grounds, that is, anywhere with an elevated risk of lightning. Also, use the WSP150 if the cable length exceeds 30m or if users have unshielded, open-wire lines.
- (1) WSP150 surge protector
- (1) Adjustable mounting clamp
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