Rexa UNI
Submersible pump
Logos/Certifications
Recommended services
Design
Submersible pump for stationary and portable wet installation in intermittent operation.Liquid
Sewage pumping according to 12050
The pumps meet the requirements of EN 12050-1.
Equipment/function
- Thermal motor monitoring with bimetallic sensor
- Single-phase AC motor with self-switching thermal motor monitoring
- Single-phase AC motor with integrated condenser
- Different versions:
- Version “P”: with plug
- Version “A”: with float switch and plug
- Version “O”: bare cable ends
Type key
Example: | Wilo-Rexa UNI-V05B/21T006-540/O |
Rexa | Submersible sewage pump |
UNI | Series |
V | Vortex impeller |
05 | Nominal diameter of discharge port
|
B | Version:
|
2 | Number of poles |
1 | IE-efficiency class (derived from IEC 60034-30) |
T | Mains connection version:
|
006 | /10 = Rated power P in kW |
5 | Mains connection frequency: 5 = 50 Hz, 6 = 60 Hz |
40 | Key for rated voltage |
O | Additional electrical equipment:
|
Technical data
- Mains connection: 1~230 V, 50 Hz or 3~400 V, 50 Hz
- Submerged operating mode: S1
- Non-immersed operating mode:
- Rexa UNI ... A/ ...: S2-15 min; S3 10%
- Rexa UNI ... B/ ...: S2-15 min; S3 10%
- Rexa UNI ... K/ ...: S1
- IP rating: IP68
- Insulation class: F
- Fluid temperature: 3 … 40 °C (37 … 104 °F)
- Fluid temperature, max. 60 °C (140 °F) for 3 min
Materials
Wilo-Rexa UNI-V05 ... A/ ...
- Hydraulics housing: PP-GF30
- Impeller: PP-GF30
- Motor housing: 1.4301 (AISI 304)
- Cooling shroud: −
- Shaft end: 1.4401 (AISI 316)
- Seal on the pump side: SiC/SiC
- Seal on the motor side: C/Cr
- Static seal: NBR (nitrile)
Wilo-Rexa UNI-V05 ... B/ ...
- Hydraulics housing: PP-GF30
- Impeller: PP-GF30
- Motor housing: 1.4401 (AISI 316)
- Cooling shroud: −
- Shaft end: 1.4401 (AISI 316)
- Seal on the pump side: SiC/SiC
- Seal on the motor side: C/Cr
- Static seal: NBR (nitrile)
Wilo-Rexa UNI-V06 ... A/ ...
- Hydraulics housing: PP-GF30
- Impeller: PP-GF30
- Motor housing: 1.4301 (AISI 304)
- Cooling shroud: −
- Shaft end: 1.4401 (AISI 316)
- Seal on the pump side: SiC/SiC
- Seal on the motor side: C/Cr
- Static seal: NBR (nitrile)
Wilo-Rexa UNI-V06 ... B/ ...
- Hydraulics housing: PP-GF30
- Impeller: PP-GF30
- Motor housing: 1.4401 (AISI 316)
- Cooling shroud: −
- Shaft end: 1.4401 (AISI 316)
- Seal on the pump side: SiC/SiC
- Seal on the motor side: C/Cr
- Static seal: NBR (nitrile)
Wilo-Rexa UNI-V06 ... K/ ...
- Hydraulics housing: PP-GF30
- Impeller: PP-GF30
- Motor housing: 1.4401 (AISI 316)
- Cooling jacket: 1.4401 (AISI 316)
- Shaft end: 1.4401 (AISI 316)
- Seal on the pump side: SiC/SiC
- Seal on the motor side: C/Cr
- Static seal: NBR (nitrile)
Construction
Rexa UNI-V ... A/M .../P
Submersible pump with vortex impeller and horizontal flange connection. Flange connection as a combination flange with integrated fixation and flat gasket. Hydraulics housing and impeller made of copolymer. Surface-cooled 1~ motor with integrated operating capacitor and self-switching thermal motor monitoring. Oil-filled sealing chamber with double sealing. Stainless steel motor housing. Detachable connection cable with fitted plug (CEE7/7). The pump may be used in Zone 2 hazardous areas.
Rexa UNI-V ... A/M .../A and Rexa UNI V ... B/M .../A
Submersible pump with vortex impeller and horizontal flange connection. Flange connection as a combination flange with integrated fixation and flat gasket. Hydraulics housing and impeller made of copolymer. Surface-cooled 1~ motor with integrated operating capacitor and self-switching thermal motor monitoring. Oil-filled sealing chamber with double sealing. Stainless steel motor housing. Detachable connection cable with float switch and fitted plug (CEE7/7). The pump must not be used in hazardous areas.
Rexa UNI-V ... K/M .../A
Submersible pump with vortex impeller and horizontal flange connection. Flange connection as a combination flange with integrated fixation and flat gasket. Hydraulics housing and impeller made of copolymer. Self-cooling 1~ motor (jacket cooling) with integrated operating capacitor and self-switching thermal motor monitoring. Oil-filled sealing chamber with double sealing. Motor housing and cooling jacket made of stainless steel. Detachable connection cable with float switch and fitted plug (CEE7/7). The pump must not be used in hazardous areas.
Rexa UNI-V ... A/T .../A
Submersible pump with vortex impeller and horizontal flange connection. Flange connection as a combination flange with integrated fixation and flat gasket. Hydraulics housing and impeller made of copolymer. Surface-cooled 3~ motor with thermal motor monitoring. Oil-filled sealing chamber with double sealing. Stainless steel motor housing. Detachable connection cable with CEE plug (16A, 3P+N+PE, 6h). Float switch and thermal motor monitoring connected to the CEE plug. The pump must not be used in hazardous areas.
Rexa UNI-V ... A/T .../O and Rexa UNI V ... B/T .../O
Submersible pump with vortex impeller and horizontal flange connection. Flange connection as a combination flange with integrated fixation and flat gasket. Hydraulics housing and impeller made of copolymer. Surface-cooled 3~ motor with thermal motor monitoring. Oil-filled sealing chamber with double sealing. Stainless steel motor housing. Detachable connection cable with bare cable ends. The pump may be used in Zone 2 hazardous areas.
Rexa UNI-V ... K/T .../O
Submersible pump with vortex impeller and horizontal flange connection. Flange connection as a combination flange with integrated fixation and flat gasket. Hydraulics housing and impeller made of copolymer. Self-cooling 3~ motor (jacket cooling) with thermal motor monitoring. Oil-filled sealing chamber with double sealing. Motor housing and cooling jacket made of stainless steel. Detachable connection cable with bare cable ends. The pump may be used in Zone 2 hazardous areas.
Scope of delivery
- Pump
- Installation and operating instructions
Accessories
- Connection cable with fixed cable lengths:
- 1~ motor: up to max. 30 m (98 ft).
- 3~ motor: up to max. 50 m (164 ft).
- Suspension unit for wet installation
- Level control devices
- Fixation accessories and chains
- Switchgear, relays and plugs