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Danfoss 155U2905 EHR Electronic Ramp Generator 11–30 VDC for Electrohydraulic Control Systems
- Regular price
- $1,599.00
- Sale price
- $1,599.00
- Regular price
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Product Description P/N: 155U2905
Description
The Danfoss 155U2905 is an EHR electronic ramp generator designed to provide smooth acceleration and deceleration signal control in electrohydraulic systems. Operating from an 11–30 VDC power supply, it generates adjustable output ramps for proportional valve control, helping reduce hydraulic shock and improve machine handling. The 155U2905 has been discontinued by the manufacturer but remains an OEM replacement module for compatible Danfoss EH control systems.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Danfoss |
| Category | Controls & Indicators |
| Part Number | 155U2905 |
| Subcategory | Tachometer/Generator/Speed Indicator |
| Product Type | Electronic Ramp Generator |
| Series | EHR |
| Manufacturer Status | Discontinued by Manufacturer |
| Supply Voltage | 11–30 VDC |
| Current Consumption | Less than 50 mA |
| Ramp Time | 0–2.5 s (standard), up to 20 s with external capacitor |
| Input Signal | Remote Control Lever or Potentiometer |
| Protection Rating | IP42 |
| Operating Temperature | -30°C to +60°C |
| Application | Electrohydraulic Control Systems |
| Weight | 0.22 lbs |
Information About 155U2905
The 155U2905 is a Danfoss EHR electronic ramp generator developed for mobile hydraulic applications utilizing Danfoss EH electronic control modules. It operates on an 11–30 VDC supply and processes remote control lever or potentiometer input signals to create controlled acceleration and deceleration ramps for electrohydraulic actuators. The module supports positive and negative ramp adjustment, external break contacts, and configurable ramp times, allowing precise hydraulic function control while minimizing mechanical stress on equipment. Designed for integration with Danfoss PVE proportional valve electronics, the EHR module improves machine controllability in construction, agricultural, forestry, and material handling equipment.
Key Features:
- EHR Electronic Ramp Generator: Provides controlled signal ramping for electrohydraulic systems.
- 11–30 VDC Operation: Compatible with a wide range of mobile electrical systems.
- Adjustable Ramp Times: Supports standard and externally extended acceleration and deceleration ramps.
- Positive and Negative Ramp Control: Independently manages ramp characteristics for multiple control directions.
- PVE Compatibility: Designed for use with Danfoss proportional valve electronics.
- Remote Control Input: Accepts signals from remote control levers and potentiometers.
- Compact OEM Module: Integrates directly into Danfoss EH electronic control systems.
- Discontinued OEM Product: Available for servicing existing hydraulic control installations.
The 155U2905 delivers the reliability and precision required for smooth electrohydraulic signal ramp generation in mobile hydraulic control systems.
Description
The Danfoss 155U2905 is an EHR electronic ramp generator designed to provide smooth acceleration and deceleration signal control in electrohydraulic systems. Operating from an 11–30 VDC power supply, it generates adjustable output ramps for proportional valve control, helping reduce hydraulic shock and improve machine handling. The 155U2905 has been discontinued by the manufacturer but remains an OEM replacement module for compatible Danfoss EH control systems.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Danfoss |
| Category | Controls & Indicators |
| Part Number | 155U2905 |
| Subcategory | Tachometer/Generator/Speed Indicator |
| Product Type | Electronic Ramp Generator |
| Series | EHR |
| Manufacturer Status | Discontinued by Manufacturer |
| Supply Voltage | 11–30 VDC |
| Current Consumption | Less than 50 mA |
| Ramp Time | 0–2.5 s (standard), up to 20 s with external capacitor |
| Input Signal | Remote Control Lever or Potentiometer |
| Protection Rating | IP42 |
| Operating Temperature | -30°C to +60°C |
| Application | Electrohydraulic Control Systems |
| Weight | 0.22 lbs |
Information About 155U2905
The 155U2905 is a Danfoss EHR electronic ramp generator developed for mobile hydraulic applications utilizing Danfoss EH electronic control modules. It operates on an 11–30 VDC supply and processes remote control lever or potentiometer input signals to create controlled acceleration and deceleration ramps for electrohydraulic actuators. The module supports positive and negative ramp adjustment, external break contacts, and configurable ramp times, allowing precise hydraulic function control while minimizing mechanical stress on equipment. Designed for integration with Danfoss PVE proportional valve electronics, the EHR module improves machine controllability in construction, agricultural, forestry, and material handling equipment.
Key Features:
- EHR Electronic Ramp Generator: Provides controlled signal ramping for electrohydraulic systems.
- 11–30 VDC Operation: Compatible with a wide range of mobile electrical systems.
- Adjustable Ramp Times: Supports standard and externally extended acceleration and deceleration ramps.
- Positive and Negative Ramp Control: Independently manages ramp characteristics for multiple control directions.
- PVE Compatibility: Designed for use with Danfoss proportional valve electronics.
- Remote Control Input: Accepts signals from remote control levers and potentiometers.
- Compact OEM Module: Integrates directly into Danfoss EH electronic control systems.
- Discontinued OEM Product: Available for servicing existing hydraulic control installations.
The 155U2905 delivers the reliability and precision required for smooth electrohydraulic signal ramp generation in mobile hydraulic control systems.
