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Varistors (ZNR Surge Absorber)
Surge absorber units
The Surge Absorber Unit contains Y, Δ or p connected ZNRs surge absorbers (and, if necessary, a circuit
breaker) in a box.
These Surge Absorber Units are designed for surge protection of industrial electric equipment where
reliability is essential.
Recommended applications
Surge Protection of
● Railway/traffi c signal control systems
● Distribution line control systems
● Broadcasting systems, communication systems
● Measuring instruments
● Controllers of low voltage distribution line
● Controllers of waterworks
Note : Ask our factory for Product Specification before use.
■ As for handling precautions and minimum quantity / Packing unit please see related information.
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
hould a safety concern arise regarding this product, please be sure to contact us immediately.
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Related Manuals for Panasonic ERZA5F220AC
Summary of Contents for Panasonic ERZA5F220AC
- Page 1 Varistors (ZNR Surge Absorber) Surge absorber units The Surge Absorber Unit contains Y, Δ or p connected ZNRs surge absorbers (and, if necessary, a circuit breaker) in a box. These Surge Absorber Units are designed for surge protection of industrial electric equipment where reliability is essential.
- Page 2 Application peak Part No. Connection Dimensions voltage current Coil: 1 mH max. DC 12 V ERZA5F220AC Max. continuous current: 0.6 A DC 24 V ERZA5F390AC For signal system DC 48 V (Line to line and Line 5000 A ERZA5F680AC to ground use)
- Page 3 This series is not a recommended product. Not recommended for new design. Surge absorber units ZNR Surge absorber units Circuits Single-phase two-wire Single-phase three- hree-phase three-wire Three-phase four-wire Maximum Rated system wire system system system peak Application voltage current Dim. Dim.
- Page 4 This series is not a recommended product. Surge absorber units Not recommended for new design. Circuit diagrams L1 N L1 L2 Equipment Equipment R S T N R S T Equipment Equipment Inductance ：1 mH max. Resistance：0.3 Ω Equipment Equipment Max.
- Page 5 ■ The technical information contained in this catalog is intended to show only typical operation and application circuit examples of this product. This catalog does not guarantee that such information does not infringe upon the intellectual property rights of Panasonic or any third party, nor imply that the license of such rights has been granted.
- Page 6 Matters to Be Observed When Using This Product Matters to Be Observed When Using This Product (P, J, G-type / Arrestor box / E, J-type for thyristor) Safety measures An abnormal state for varistors (ZNR surge absorbers) of P-type, J-type, G-type, an arrestor box, and varistors for thyristors (hereinafter "the product"...
- Page 7 Matters to Be Observed When Using This Product Response to anomalies and handling conditions Be careful not to drop the surge absorber on the floor, etc. The product is likely to suffer mechanical or electrical damage when dropped on the floor. Avoid using such a product. Reliability and product life ■...