Table of Contents
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Hydro-electric pressure switch
Type HED 8
TB0004+TB0040
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
Contents
Features
Function, section, symbol
RE 50061, edition: 2016-09, Bosch Rexroth AG
Mating conn
Further infor
RE 50061
Edition: 2016-09
Replaces: 06.15
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Table of Contents
Related Manuals for Bosch Rexroth HED 8 Series
Summary of Contents for Bosch Rexroth HED 8 Series
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Page 1: Table Of Contents
– with M12 x 1 connector Mating connectors ▶ Micro switch with NC/NO contact function Further information ▶ Potential-free switching of currents from 1 mA to 2 A ▶ UL approval for pressure ranges up to 350 bar RE 50061, edition: 2016-09, Bosch Rexroth AG... -
Page 2: Ordering Data
Mating connectors, separate order, see accessories see page 16. H-key, material no. R900008158, is included in the scope of delivery The exact setting of the switching pressure is only possible using a pressure gauge (scale is used as orientation) Bosch Rexroth AG, RE 50061, edition: 2016-09... - Page 3 In order to increase the life cycle, the pressure switch should be mounted with low vibrations and protected from hydraulic pressure surges. Type HED 8 OP-2X/…K14A Symbol Type HED 8 OP-2X/…K14AS Type HED 8 OA-2X/…K14KW Type HED 8 OA-2X/…K14KS RE 50061, edition: 2016-09, Bosch Rexroth AG...
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Page 4: Technical Data
HLP 50 to 100% ▶ Bio-degradable and flame-resistant: When using these hydraulic fluids that are simultaneously zinc-solving, zinc may accumulate (700 mg zinc per pole tube). Bosch Rexroth AG, RE 50061, edition: 2016-09... - Page 5 The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and at the same time increases the life cycle of the components. For the selection of the filters see www.boschrexroth.com/filter. RE 50061, edition: 2016-09, Bosch Rexroth AG...
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Page 6: Characteristic Curves: Switching Pressure Differential
The switching pressure differential may increase within the course of the life cycle due to the deterioration of the oil quality and the number of load cycles. Lower switching pressure in bar → Bosch Rexroth AG, RE 50061, edition: 2016-09... - Page 7 Ø4 max. 90 Type HED 8 OP… 0,01/100 2 x Ø5,5 Rz1max 4 Required surface quality of the device For item explanations see page 9. contact surface (for “OH” and “OP” designs) RE 50061, edition: 2016-09, Bosch Rexroth AG...
- Page 8 Ø4 max. 90 Type HED 8 OP… 2 x Ø5,5 0,01/100 Rz1max 4 Required surface quality of the device For item explanations see page 9. contact surface (for “OH” and “OP” designs) Bosch Rexroth AG, RE 50061, edition: 2016-09...
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Page 9: Dimensions
14 Mating connector for “K35” connection (separate order see page 16) 15 Mating connector suitable for “K35”, angled (separate order see page 16) 16 Mating connector for “K35” connection with cable (separate order see page 16) RE 50061, edition: 2016-09, Bosch Rexroth AG... -
Page 10: Installation Information
2 Sandwich plate type HSZ 06A... for use of the pressure switch as stacking element (see page 12) “K35” connection, straight 3 Space required to remove the key 4 Space required to remove the mating connector Bosch Rexroth AG, RE 50061, edition: 2016-09... - Page 11 2 Sandwich plate type HSZ 10A... for use of the pressure switch as stacking element (see page 14) “K35” connection, straight 3 Space required to remove the key 4 Space required to remove the mating connector RE 50061, edition: 2016-09, Bosch Rexroth AG...
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Page 12: Ordering Code: Sandwich Plate Size
120 mm 3.0 kg 40.5 mm 0.8 kg Variant number 120 mm 3.0 kg 40.5 mm 0.8 kg Variant number 120 mm 3.0 kg 40.5 mm 0.8 kg Variant number – – – Bosch Rexroth AG, RE 50061, edition: 2016-09... -
Page 13: Dimensions: Sandwich Plate Size
2 Through hole for valve mounting Required surface quality of the 3 Screw-on surface for pressure switch plate contact surface 4 Plate height 40.5 mm or 120 mm, optional 5 Porting pattern according to ISO 4401-03-02-0-05 RE 50061, edition: 2016-09, Bosch Rexroth AG... -
Page 14: Ordering Code: Sandwich Plate Size
Symbols, variant no.: Sandwich plate size 10 (① = component side, ② = plate side) Pressure switch effective in channel... Mass Variant number 2 kg Variant number 2 kg Variant number 2 kg Variant number 2 kg Bosch Rexroth AG, RE 50061, edition: 2016-09... -
Page 15: Dimensions: Sandwich Plate Size
0,01/100 Rz1max 4 1 Seal ring 2 Through hole for valve mounting Required surface quality of the 3 Screw-on surface for pressure switch plate contact surface 4 Porting pattern according to ISO 4401-05-04-0-05 RE 50061, edition: 2016-09, Bosch Rexroth AG... -
Page 16: Electrical Connection
© This document, as well as the data, specifications and other information set Hydraulics forth in it, are the exclusive property of Bosch Rexroth AG. It may not be repro- Zum Eisengiesser 1 duced or given to third parties without the consent of Bosch Rexroth AG.