BuyLog Flippingbook FEB 2025

8-143

LOW VOLTAGE POWER & INSULATED CASE CIRCUIT BREAKERS, BUYLOG SECTION 8

— Asbestos free arc quencher replacement kits

ABB’s Asbestos Free Arc Quencher Replacement Kits are designed to replace asbestos plate style arc quenchers on AK and early AKR power circuit breakers with reliable, proven steel plate style arc quenchers used on modern AKR breakers. The kits have been ANSI C37.59 tested for dielectric and short circuit ensuring breaker performance to original specifications. On most AK series breakers, no modifications are needed to install the arc quencher replacement kit. Installation is typically done in less than one hour (see Installation Instructions GEH-6464). Asbestos Free Arc Quencher replacement kits are shipped complete with detailed installation instructions and everything you need for fast and easy arc quencher replacement: - Asbestos free metal plate or ceramic arc quenchers - Contact guides and arc runners (when required) - Asbestos free replacement barriers (when required) - All required mounting hardware(authorized service only)

Reference Publications Asbestos Free Arc Quencher Replacement Kits

DET-096

Installation Instructions

GEH-6464

Product Number Selection

AKO25

AQR1

G1

Breaker AK-15 AK-25 AKU-25 AKR-30S AKR-30 AKRU-30 AKR-30H AKRU-30H AK-50 AKT-50 AKU-50 AKJ-50 AKJT-50 AKJU-50 AKR-50 AKRT-50 AKRU-50 AKJ-50H AKJT-50H AKJU-50H AKR-50H AKRT-50H AKRU-50H AKJ-50 AKJT-50 AKJU-50 AKJ-50H AKJT-50H AKJU-50H

Model AQR1

Application For Asbestos Removal Renewal Kit for Ceramic Arc Quenchers

G1

Arc Quencher Replacement Kit Generation 1

AKO25 1, 2, 3

G2

AKR3S 1, 2

AKR30

Arc Quenchers Replacement Kit Product Number AKO25AQR1 G1 AKR3SAQR1 G1 AKR30AQR1 G1 AKR30AQR1 G2 AKR3HAQR1 G1 AKR3HAQR1 G2 AKO50AQR1 G1 AKR50AQR1 G1 AKR50AQR1 G2 AKR5HAQR1 G1 AKR5HAQR1 G2 AKD50AQR1 G1 AKD50AQR1 G2 AKD5HAQR1 G1 AKD5HAQR1 G2 AKO75AQR1 G1 AKR75AQR1 G1 AKO10AQR1 G1 AKR10AQR1 G1

AKR3H

AKO50 2, 3

AKR50

AKR5H

AKD50 4

AKD5H 4

AKO75 2, 3

AK-75

AKR75 2

AKR-75 AK-100 AKR-100

1 Kits contain replacement barriers only, arc quenchers do not contain asbestos. 2 G2 kits are not available for these breakers, please contact the factory for individual replacement arc quenchers. 3 Does not apply to AK-1 series breakers. 4 These kits are for use on breakers used in AKD and AKD-5 switchgear and substructures.

AKO10 2, 3

AKR10 2