Electromagnetic voltmeter with switch
  • Electromagnetic voltmeter with switch

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Manufacturer: LUMEL

Electromagnetic voltmeter with switch

Application
The EP27 and EP29 moving-iron panel voltmeter with a change-over switch is adapted for measuring line-to-line and phase-to-phase RMS voltages in 3-phase 4-wire power networks. A six-positional switch installed on the meter frontal side enables the choice of the measured voltage in six different points of the network system.

BASIC REQUIREMENTS, USERS SAFETY
These moving-iron voltmeters are destined to be installed on panels or switchboards. They are in conformity with EN 61010-1 standard requirements.
 

TECHNICAL DATA

Frontal frame narrow, acc. DIN 43718
- EP27 72 x 72 x 87 mm
- EP29 96 x 96 x 87 mm
Accuracy class 1,5
Measuring range:
- for direct interfacial connection 500 V
at the position of the switch on L1-N, L2-N or L3-N max. 300 V
- through a voltage transformer x/110 V or x/100 V
Working position given on the meter 5°(see table 1)
Panel material anmy
Power consumption max 4,5 VA(Un = 500V)
Working temperature range These meters are working satisfactorily without damage in the temperature range from -25°C up to +40°C, acc. standards being in force. In this range, additional errors are not defined if they are not
differently.
- EP27 max. 4,5 VA (Un= 500 V)
- EP29 max. 4,5 VA (Un= 500 V)
Rated operating conditions: acc. EN-61010-1
ambient temperature 5...23...40°C
working position acc. order  5° (given on the scale)
Additional errors in the limits of rated operating conditions acc. EN 60051-1
Safety requirements: acc. EN 60010-1
- installation category III
- level of pollution 2
- maximal working voltage in relation to the earth 300V a.c.
Protection grade:  
- case IP50
- terminals IP20 (with the terminal cover)
Electromagnetic compatibility:  
The EP27 and EP29 voltmeters fulfils CE mark requirements:  
- emission acc. EN 61000-6-4
- immunity acc. EN 61000-6-2
External dimensions:  
- EP27 72 x 72 x 78 mm (without a terminal cover)
- EP29 96 x 96 x 87 mm (with a terminal cover)
Panel cut-out:  
- EP27 68+0,7 x 68+0,7 mm
- EP29 92+0,8 x 92+0,8 mm
Case material Weight: ABS thermoplastics
- E27 200 g (without a terminal cover)
- EP29 290 g (with a terminal cover)

Category of climate versions
If it is not stipulated in another way, these meters are destined to be applied in closed rooms, without air conditioning systems and in conditions of a moderate climate, acc. EN 60068-1 standard.
On customers request, these meters can be adapted to be applied in dry or wet tropical climate conditions, and also in closed rooms without air conditioning.
Then, they are marked with the TIII symbol.

ACCESSORIES
We deliver together with the meter
- two screw holders to fix the meter on the panel,
- a terminal cover (only for EP29 volmeter),
- a voltage transformer (on request, if ordered),
- a service manual,
- a guarantee certificate.

OVERALL DIMENSIONS
Woltomierze elektromagnetyczne z przełącznikiem EP27 Woltomierze elektromagnetyczne z przełącznikiem E029
EP27 EO29

CODING OF THE WORKING POSITION
Woltomierze elektromagnetyczne z przełącznikiem
Kod Working position
0 c3
A c1
B c2, a = 15°
C c2, a = 30°
D c2, a = 45°
E c2, a = 60°
F c2, a = 75°
H c4, a = 105°
I c4, a = 120°

INSTALLATION
Panel cut-out for EP27: 68+0.7x68 +0.7mm Panel cut-out for EP29: 92+0.8x92+0.8mm
Woltomierze elektromagnetyczne z przełącznikiem Woltomierze elektromagnetyczne z przełącznikiem
EP27 EP29

CONNECTION DIAGRAM OF EXTERNAL CIRCUITS

Connections of EP27:

Woltomierze elektromagnetyczne z przełącznikiem EP29
a) Direct connection b) Connection through a voltage transformer

Connections of EP29 voltmeters:

a) Direct connection b) Connection through a voltage transformer
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Application
The EP27 and EP29 moving-iron panel voltmeter with a change-over switch is adapted for measuring line-to-line and phase-to-phase RMS voltages in 3-phase 4-wire power networks. A six-positional switch installed on the meter frontal side enables the choice of the measured voltage in six different points of the network system.

BASIC REQUIREMENTS, USERS SAFETY
These moving-iron voltmeters are destined to be installed on panels or switchboards. They are in conformity with EN 61010-1 standard requirements.
 

TECHNICAL DATA

Frontal frame narrow, acc. DIN 43718
- EP27 72 x 72 x 87 mm
- EP29 96 x 96 x 87 mm
Accuracy class 1,5
Measuring range:
- for direct interfacial connection 500 V
at the position of the switch on L1-N, L2-N or L3-N max. 300 V
- through a voltage transformer x/110 V or x/100 V
Working position given on the meter 5°(see table 1)
Panel material anmy
Power consumption max 4,5 VA(Un = 500V)
Working temperature range These meters are working satisfactorily without damage in the temperature range from -25°C up to +40°C, acc. standards being in force. In this range, additional errors are not defined if they are not
differently.
- EP27 max. 4,5 VA (Un= 500 V)
- EP29 max. 4,5 VA (Un= 500 V)
Rated operating conditions: acc. EN-61010-1
ambient temperature 5...23...40°C
working position acc. order  5° (given on the scale)
Additional errors in the limits of rated operating conditions acc. EN 60051-1
Safety requirements: acc. EN 60010-1
- installation category III
- level of pollution 2
- maximal working voltage in relation to the earth 300V a.c.
Protection grade:  
- case IP50
- terminals IP20 (with the terminal cover)
Electromagnetic compatibility:  
The EP27 and EP29 voltmeters fulfils CE mark requirements:  
- emission acc. EN 61000-6-4
- immunity acc. EN 61000-6-2
External dimensions:  
- EP27 72 x 72 x 78 mm (without a terminal cover)
- EP29 96 x 96 x 87 mm (with a terminal cover)
Panel cut-out:  
- EP27 68+0,7 x 68+0,7 mm
- EP29 92+0,8 x 92+0,8 mm
Case material Weight: ABS thermoplastics
- E27 200 g (without a terminal cover)
- EP29 290 g (with a terminal cover)

Category of climate versions
If it is not stipulated in another way, these meters are destined to be applied in closed rooms, without air conditioning systems and in conditions of a moderate climate, acc. EN 60068-1 standard.
On customers request, these meters can be adapted to be applied in dry or wet tropical climate conditions, and also in closed rooms without air conditioning.
Then, they are marked with the TIII symbol.

ACCESSORIES
We deliver together with the meter
- two screw holders to fix the meter on the panel,
- a terminal cover (only for EP29 volmeter),
- a voltage transformer (on request, if ordered),
- a service manual,
- a guarantee certificate.

OVERALL DIMENSIONS
Woltomierze elektromagnetyczne z przełącznikiem EP27 Woltomierze elektromagnetyczne z przełącznikiem E029
EP27 EO29

CODING OF THE WORKING POSITION
Woltomierze elektromagnetyczne z przełącznikiem
Kod Working position
0 c3
A c1
B c2, a = 15°
C c2, a = 30°
D c2, a = 45°
E c2, a = 60°
F c2, a = 75°
H c4, a = 105°
I c4, a = 120°

INSTALLATION
Panel cut-out for EP27: 68+0.7x68 +0.7mm Panel cut-out for EP29: 92+0.8x92+0.8mm
Woltomierze elektromagnetyczne z przełącznikiem Woltomierze elektromagnetyczne z przełącznikiem
EP27 EP29

CONNECTION DIAGRAM OF EXTERNAL CIRCUITS

Connections of EP27:

Woltomierze elektromagnetyczne z przełącznikiem EP29
a) Direct connection b) Connection through a voltage transformer

Connections of EP29 voltmeters:

a) Direct connection b) Connection through a voltage transformer
Less
Read more
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