TERASAKI XS100NB Circuit Breaker 50/60HZ 690V

TERASAKI XS100NB. TERASAKI ELECTRIC CO., LTD. 690V ~ 5/2.5KA. CIRCUIT BREAKER. GB14048.2 40°C. They are used strictly for identification purposes only. 250V ~ 50KA. 500V ~ 22KA.