Datasheet
B-20 Solid-state Multi-functional Timer H3DS-M/-S/-A
Nomenclature
18 16 A2
18 16 A2
H3DS-ML@/-SL@
H3DS-AL@
H3DS-ALC
Output indicator (orange) 
(Lit while Timer output is ON.)
Output indicator (orange) 
(Lit while Timer output is ON.)
Time scale display window and 
selector (select one from 1 s, 
0.1 s, 1 h, 0.1 h, 10 h, 1 h, 1 m, 
and 0.1 m)
Set time window
Set time window
Time setting dial (set time)
Lock for time setting dial
Lock for time scale selector
Power-ON indicator (green) 
(Lit while the power is ON.) 
Attach the enclosed label here as a nameplate. 
(The label is attached to the Timer's DIN Track 
hook section at the time of shipment.)
Time setting dial (set time)
Lock for time setting dial
Lock for time scale selector
Lock for operating mode selector
Wire connection holes
Release holes
Wire connection holes
Wire connection holes
Release holes
Wire connection holes
Power-ON indicator (green) 
(Lit while the power is ON.)
(Front View)
(Front View)
(Front View)
(Front View)
Time scale display window and 
selector (select one from 1 s, 
0.1 s, 1 h, 0.1 h, 10 h, 1 h, 1 m, 
and 0.1 m) 
Operating mode display window 
and selector (select the mode from 
A, B, B2, C, D, E, G, and J for the 
H3DS-ML, from A, B2, E, and J for 
the H3DS-SL) 
H3DS-MLC/-SLC










