Ordering specification chart
A wide range of options to the basic control handle allow custom-tailoring to each application. The
following ordering specification chart is provided for assistance in determining model number. Other
options are possible, consult Danfoss with further questions.
Ordering specification chart
MCH
X
X
X
X
X
XXX
Mounting option
Control knob type
Handle actuation
Electrical
characteristics
Connector
Factory assigned
Mounting option
Code
Description
Detail
1
Base (surface) mount aluminum case
Four screws connect to the flanges on the bottom of the metal case.
2
Top mount (drop in) with plastic case
Two screws connect to an enlarged mounting plate.
Top mounting allows the entire handle to be removed from above the panel.
The case is made of black nylon plastic.
3
Top mount (drop in) without case
Two screws connect to an enlarged mounting plate.
Top mounting allows the entire handle to be removed from above the panel.
4
Panel mount with plastic case
Four screws connect to the top plate that holds the boot in place.
The case is made of black nylon plastic.
5
Panel mount without case
Four screws connect to the top plate that holds the boot in place.
Control knob option
Code
Description
Detail
1
Non-locking
The friction-held handle detents with a springloaded ball to indicate null, while
the spring-return handle has a spring preload indicating null.The non-locking
handle has a standard ball knob.
2
Center lock
The non-locking handle has a standard ballThe center lock handle has a
cylindrical knob and provides a positive center lock that unlatches when the
operator pulls up on the knob.
3
Non-locking, auxiliary push button switch
This knob is teardrop shaped, with an auxiliary momentary push-button switch on
top.
The switch is wired through the handle shaft to the body with three wires
(common, normally open, and normally closed).
5
Non-locking, no knob
The customer provides customized knob.
6
Three position maintained rocker switch
The cylindrical knob has a boot covering the three-position switch in the knob.
The switch, wired through the handle, is used for auxiliary functions.
8
*
Special (no handle or knob)
9
Three position momentary rocker switch
This is the same as option 6, but the switch returns to the center position when
released.
*
Unique configuration, for details contact your Danfoss representative.
Reference
Dimensions
.
Handle actuation option
Code
Description
Detail
A
Spring return, bi-directional
This handle uses a torsion spring to return to the mechanical center position and
has 30 degrees of handle throw on either side of center.
B
Friction held, bi-directional
This handle has an adjustable drag, set with a clamp-type brake that holds the
handle at the set position and has 30 degrees of handle throw on either side of
the center detent.
Technical Information
MCHXXX
Ordering information
©
Danfoss | February 2017
11022667 | BC00000033en-US0601 | 5
