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Protector 21A For Use With Protector Mount 5B
3 pole over-voltage gas discharge tube protection.
£3.05
In stock
SKU
770694
3 pole over-voltage gas discharge tube protection.
- For use with 991042 Protector Mount 5B
- Has a lower spark-over voltage than the protector 14A/1 thus offering a greater level of protection
- Supersedes protectors 14A/1 or 14A
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