Rating of a circuit breaker for transformers primary protection

When making a transformer to energize, a large inrush current may flow. The circuit breaker is therefore required to prevent unwanted trip. The selection of ... More Details >>

Checking non-displayed digit of active energy (ME96SS series).

Pressing buttons of the “+” and the “-” at the same time on the measurement screen for 2 seconds shifts the unit of active energy as follows. The measured ... More Details >>

B contact of AL/AX

"b contact" is normally closed contact, and It is also called "NC (Normally Closed) contact". More Details >>

ACB　OCR alarm

It is a standard equipment (automatic reset type) and 30ms of one-pulse is output at overload tripping. Hold-type circuit is necessary since the output time ... More Details >>

Select rated current sensitivity

Please select rated current sensitivity ,according to the protection purpose and the protective grounding resistance value of the load equipment. If you alre... More Details >>

About Low-voltage Power Distribution Products

The withstand voltage of US-H type is 2.5kV. The applied location is asbelow.1. Between a main circuit terminal and a control circuit terminal2. Between all ... More Details >>

Micro-load AL and AX switch

It is possible to produce micro-load AL and AX switch for MCCBs/ELCBs. However, if you need the products compatible with the standards (CE marking product an... More Details >>

Inverse time delay operating characteristic

It is a characteristic that operating time inversely become shorter as current increases. For Molded Case Circuit Breakers, protection characteristic meeting... More Details >>

Connectable number of MODBUS RTU (ME96SS series).

It is connectable with up to 31 units. It is necessary to prepare at least 3 PCs for connecting with 64 units. (31 units + 31 units + 2 units) More Details >>

Standards for this model (ME96SS series).

This model is compliant with CE marking, UL standard, KC Mark and FCC/IC. More Details >>