When searching for voltage specifications for APEM’s M-series joysticks, the following information may help.
As one example, take part number M21L0H1PX:
APEM confirms that the rated voltage is 36VDC in the specifications for this device.
Applicable Part Numbers
679-2257-ND
679-2258-ND
679-4147-ND
679-2504-ND
1040-1091-ND
1040-1036-ND
679-4146-ND
679-2259-ND
M11F061P-ND
679-M11F060-ND
679-2260-ND
1040-1037-ND
1040-1038-ND
M21C0H1B-ND
1040-1120-ND
1040-1122-ND
1040-1123-ND
1040-1125-ND
1040-1126-ND
1040-1127-ND
1040-1128-ND
1040-1129-ND
1040-1121-ND
1040-1124-ND
1040-1092-ND
M11L061P
M21C051P
M21L051P75
M31L081P
M11L061P-X
M21L0H1PX
M11L031M75
M31C0M1P
M11F061P
M11F060
M41L0N1P
M41L0Q1R
M41L091M
M21C0H1B
M11L001M
M11L0A1M
M21L051M
M21L0H1M
M31L0M1M
M31L081M
M41L0N1M
M41L0Q1M
M11L0C1M
M21L0G1M
M11L061M-X