Bosch Rexroth HED 8 OH Series, Manual, Page: 1 / 16

RE 50061, edition: 2016-09, Bosch Rexroth AG
Hydro-electric pressure switch
Features
▶ For subplate mounting
▶ For G1/4” pipeline installation
▶ For flange connection according to ISO 16873
▶ As vertical stacking element in connection with sand-
wich plates according to ISO 4401
▶ 5 pressure ratings
▶ 4 adjustment types:
– Spindle with/without protective cap
– Spindle with scale, with/without protective cap
– Rotary knob with scale
– Lockable rotary knob with scale
▶ Electrical connection
– With valve connector of design A
(large cubic connector)
– with M12 x 1 connector
▶ Micro switch with NC/NO contact function
▶ Potential-free switching of currents from 1 mA to 2 A
▶ UL approval for pressure ranges up to 350 bar
▶ Component series 2X
▶ Max. operating pressure 630 bar
RE 50061
Edition: 2016-09
Replaces: 06.15
TB0040
Type HED 8
Contents
Features 1
Ordering data
2
Function, section, symbol 3
Technical data 4
Characteristic curves: Switching pressure differential 6
Dimensions 7
Installation information
10
Ordering code: Sandwich plate size 6 12
Symbols, variant no.: Sandwich plate size 6 12
Dimensions: Sandwich plate size 6 13
Ordering code: Sandwich plate size 10
14
Symbols, variant no.: Sandwich plate size 10 14
Dimensions: Sandwich plate size 10 15
Electrical connection
16
Mating connectors 16
Further information 16
Contents
Features 1
Ordering data
2
Function, section 3
Technical data
(For applications outside these parameters, please consult us!)
4
Technical data
(For applications outside these parameters, please consult us!)
5
Characteristic curves: Switching pressure differential
(measured with HLP46,
ϑ
Oil
= 40 ± 5 °C) 6
Dimensions: Type HED 8 …K14
(dimensions in mm)
7
Dimensions: Type HED 8 …K35
(dimensions in mm)
8
Dimensions 9
Installation information: Type HED 8
OH … in vertical stacking NG6
(dimensions in mm) 10
Installation information: Type HED 8 OH … in vertical stacking NG10
(dimensions in mm) 11
Ordering code: Sandwich plate size 6 (separate order) 12
Symbols, variant no.: Sandwich plate size 6 (
① = component side, ② = plate side) 12
Dimensions: Sandwich plate size 6 for type HED 8 OH… as vertical stacking element (up to 350 bar)
(dimensions in mm) 13
Ordering code: Sandwich plate size 10 (separate order) 14
Symbols, variant no.: Sandwich plate size 10 (
① = component side, ② = plate side) 14
Dimensions: Sandwich plate size 10 for type HED 8 OH… as vertical stacking element (up to 350 bar)
(dimensions in mm) 15
Electrical connection according to DIN EN 175301-803 16
Mating connectors according to DIN EN 175301-803
16
Further information 16