Stratos GIGA 2.5/3-87
Data sheet
Approved fluids (other fluids on request)
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Heating water (in accordance with VDI 2035)•
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Water-glycol mixtures (for 20-40 vol.% glycol and fluid temperature ≤ 40 °C)•
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Cooling and cold water•
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Heat transfer oilSpecial version at additional charge
Permitted field of application
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Standard version for operating pressure pmax16 bar (up to +120 °C) bar
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Temperature range at max. ambient temperature +40 °C-20...+140 °C (depending on the fluid)
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Max. ambient temperature+40 °C
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Installation in closed buildings•
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Outdoor installation-
Pipe connections
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Nominal flange diameterDN 65
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Flange with pressure-measurement connectionsR 1/8
Materials
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Pump housingEN-GJL-250
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LanternEN-GJL-250
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ImpellerPPS-GF40
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Impeller (special version)–
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Pump shaft1.4122
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Mechanical sealAQ1EGG
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Other mechanical sealsOn request
Electrical connection
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Mains connection3~380 V ±10%, 50/60 Hz
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Speed n500 - 4700 rpm
Motor/electronics
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Motor technologyEC motor
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Motor efficiency levelIE5
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Integrated full motor protection•
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Protection classIP 55
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Insulation classF
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Emitted interferenceEN 61800-3
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Interference resistanceEN 61800-3
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Residual-current protection device (RCD)•
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Rated current (approx.) IN 3~400 V5.2 A
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Maximum power consumption P13.4 kW
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Rated power P22.9 kW
Installation options
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Pipe installation (≤ 15 kW motor power)•
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Support-bracket mounting•
Information for order placements
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Weight approx. m49 kg
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MakeWilo
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TypeStratos GIGA 2.5/3-87
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Art no.2124495
Please observe pump name plate data
Dimensions and dimensions drawings
Dimension drawing


Pump curves
Pump curves


Terminal diagram
Terminal diagram

L1, L2, L3: | Mains connection: 3~440 V ±10%, 50/60 Hz; 3~400 V ±10%, 50/60 Hz; 3~380 V -5%/+10%, 50/60 Hz |
PE: | Protective conductor connection |
DDG: | Connection for differential pressure sensor |
In1 (1): | Actual value input 0-10 V/0-20 mA; 2-10 V/4-20 mA |
GND (2): | Ground connection for In1 and In2 |
+ 24 V (3): | DC voltage output for an external consumer/sensor. Max load 60 mA |
In2: | Setpoint input 0-10 V/0-20 mA; 2-10 V/4-20 mA |
MP: | Multi-pump, interface for dual pump management |
Ext. off: | Control input “Overriding Off” The pump can be switched on or off via an external, potential-free contact (24 V DC/10 mA). |
SBM:* | Potential-free collective run signal (changeover contact according to VDI 3814) |
SSM:* | Potential-free collective fault signal (changeover contact according to VDI 3814) |
aux: | External pump cycling (only with dual pump operation). Pump cycling can be performed using an external, potential-free contact (24 VDC/10 mA) |
DIP switch: | 1: Switchover between operation (O) and service mode (S) 2: Activate/deactivate the menu for access disable |
Optional: | IF-Modules for connection to the building automation |
* Load capacity of contacts for SBM and SSM: min.: 12 V DC/10 mA max.: 250 V AC/1 A |

Ordering information
Information for order placements
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MakeWilo
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TypeStratos GIGA 2.5/3-87
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Art no.2124495
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EAN number4048482252520
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Packaging typeCardboard box
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Packaging propertyTransport packaging
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Pieces per pallet1
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Number per layer1
Tender text
Materials
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Pump housingEN-GJL-250
-
LanternEN-GJL-250
-
ImpellerPPS-GF40
-
Pump shaft1.4122
-
Mechanical sealAQ1EGG
Permitted field of application
-
Standard version for operating pressure pmax16 bar (up to +120 °C) bar
-
Temperature range at max. ambient temperature +40 °C-20...+140 °C (depending on the fluid)
-
Max. ambient temperature+40 °C
Pipe connections
-
Nominal flange diameterDN 65
-
Overall length l0381 mm
-
Flange with pressure-measurement connectionsR 1/8
Motor/electronics
-
Integrated full motor protection•
-
Protection classIP 55
-
Insulation classF
-
Emitted interferenceEN 61800-3
-
Interference resistanceEN 61800-3
-
Mains connection3~380 V ±10%, 50/60 Hz
-
Speed n500 - 4700 rpm
-
Rated current (approx.) IN 3~400 V5.2 A
-
Maximum power consumption P13.4 kW
-
Rated power P22.9 kW
-
Motor efficiency levelIE5
Weight
-
Weight approx. m49 kg
Information for order placements
-
Art no.2124495
-
TypeStratos GIGA 2.5/3-87
-
MakeWilo