The Siemens 3VA1116-3ED42-0AA0-ZD00 is a 3VA1 IEC frame 160 molded-case circuit breaker with a 160 A fixed thermal-magnetic trip unit (TM210). The short-circuit release is fixed at 10 x In (1600 A). This variant includes a nut keeper kit and is specified for DC Power OEM builds in China.
Key Ratings & Fit
The 160 A fixed Ir means the overload protection is non-adjustable — the breaker trips on thermal overload at exactly 160 A continuous. The Ii of 10 x In (1600 A) sets the magnetic instantaneous pickup; this is a fixed value, not field-adjustable. The 4-pole design with unprotected neutral is typical for IT or corner-grounded delta systems where the neutral does not require overcurrent protection.
Deployment Context
The nut keeper kit simplifies busbar connection during panel assembly — the captive nut stays aligned while torquing the bolt, reducing installation time on repetitive builds.