The following is possibly of some help, although I'm still unclear as to whether the following is relevant to human operating pressure (e.g. a levered operation via the door release button applying a multiplied indirect force to multiple actuators in sequence)
Microwave doors have at least two interlock switches which have to be actuated in a certain order. Interlock switches may be magnetically operated and require a certain force in order to operate.
According to the http://www.microtechfactoryservice.com/switch.html
Another replacement consideration is the operating and release force.
This is the relative amount of pressure needed to actuate the switch.
Various applications call for differing amounts of operating pressure.
And in an additional reference: US FDA Performance standards for microwave and radio frequency emitting products Part 1030, section c (2) on safety interlocks:
(2) Safety interlocks. (i) Microwave ovens shall have a minimum of two
operative safety interlocks. At least one operative safety interlock
on a fully assembled microwave oven shall not be operable by any part
of the human body, or any object with a straight insertable length of
10 centimeters. Such interlock must also be concealed, unless its
actuation is prevented when access to the interlock is possible. Any
visible actuator or device to prevent actuation of this safety
interlock must not be removable without disassembly of the oven or its
door. A magnetically operated interlock is considered to be concealed,
or its actuation is considered to be prevented, only if a test magnet
held in place on the oven by gravity or its own attraction cannot
operate the safety interlock. The test magnet shall be capable of
lifting vertically at zero air gap at least 4.5 kilograms, and at 1
centimeter air gap at least 450 grams when the face of the magnet,
which is toward the interlock when the magnet is in the test position,
is pulling against one of the large faces of a mild steel armature
having dimensions of 80 millimeters by 50 millimeters by 8