The NRAN1100-2.5A-AA from IDEC's Circuit Protectors NRA Series is a circuit protection device. Belonging to the NRAN model category, it features a rocker-type operation and a single-pole design. Its protection method employs fluid electromagnetic tripping, enabling reliable overcurrent protection. It supports rated voltages of 250V AC 50/60Hz and 65V DC. The minimum applicable load is 24V AC/DC, 100mA, with a rated current of 2.5A. Under 250V AC 50/60Hz and 65V DC conditions, the rated breaking capacity reaches 1000A.

The device incorporates auxiliary contacts using SPDT micro switches rated for 250V AC 5A (resistive load) and 50V DC 1A (resistive load). Environmental specifications include a standard ambient temperature of +25°C, an operating temperature range of -40°C to +85°C (no icing), and an operating humidity range of 45% to 85% RH (no condensation). Insulation resistance exceeds 100MΩ (measured with a 500V DC megohmmeter). Live parts to ground and opposite-polarity terminals withstand 2000V AC for 1 minute. Vibration resistance is rated at 100m/s² (10Hz to 100Hz), with shock resistance of 1000m/s².

Regarding service life and structure, it exceeds 10,000 operations, with an upper operating frequency limit of 6 operations per minute. The main terminals correspond to 250 sockets and M4 wiring terminals, while auxiliary contacts use 110-type wing terminals. The main body color is black (approximating Michel Color Standard N1.5), with the rocker switch also black and featuring white characters “ON-OFF” and “I/O”.

IDEC Circuit Protectors NRA Series NRAN1100-2.5A-AA: 2.5A C.B. Rectangular lever, 1 pole, 2.5A, AA curves.

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