Description
TERASAKI ELECTRIC CO, LTD
TEMBREAK
S225-NN
MOLDED CASE CIRCUIT BREAKER
3P 225 AFC 50/60HZ
SWITCH DISCONNECTOR
Ui: 690V
Uimp: 8kV 50/60Hz
JIS C 78201-3
IEC 60947-3
AC-32
DC 22A
TYPE: S253*25
2H8364SAA/K
225A
10M14
MADE IN MALAYSIA
The Terasaki Tembreak S225-NN is a 3P 225A molded case circuit breaker, also marked as a switch disconnector, serving the power distribution of marine control systems. Its role is to open and close three-pole circuits rated at 225A and to isolate the connected load when switched off. It has a rated insulation voltage of 690V and a rated impulse withstand voltage of 8kV, with markings to IEC 60947-3 and JIS C 78201-3. The breaker carries type reference S253*25 and was made in Malaysia. It is supplied in New Open Box condition.
Key Features
✓ Three-pole molded case circuit breaker, 225A, 225 AFC
✓ Switch disconnector to IEC 60947-3 and JIS C 78201-3
✓ Ui 690V and Uimp 8kV
✓ AC-32 and DC 22A markings, 50/60Hz
✓ Type S253*25, Tembreak series
Marine Applications
✓ Three-phase feeder protection in control system distribution panels
✓ Isolation of control system power supplies during maintenance
✓ Incoming supply switching for automation and control cabinets
✓ Sub-distribution circuits feeding monitoring and alarm equipment
Technical Support
Prota Marine provides technical support, repair and onboard installation for the molded case circuit breaker and the wider marine control system. Our engineers assist with fault diagnosis on tripping or switching problems. Commissioning support is available when the breaker is returned to service.
