Appleton Unicode™ 2 Series Polyamide Control Stations Catalog Page

Unicode™ 2 Series Polyamide Control Stations

CONTROLSCONTROLS: NEC/CEC, ATEX/IECEX INCREASED SAFETY CONTROL STATIONS

© June 2017

Increased Safety

For use in IEC governed hazardous areas. Polyamide is not recognized for use in any NEC/CEC governed hazardous areas.

ATEX:

Zone 1 and 2 – 21 and 22

II 2 GD
Ex de IIC/Ex demb IIC/Ex tD A21
IP66 – IK09

Applications

• For use in IEC governed hazardous areas. Polyamide is not

recognized for use in any NEC/CEC governed hazardous areas.

• Local control stations and motor control stations for use in

hazardous areas covering the broadest possible range of
applications.

• Control of equipment at:

— Power plants
— Chemical and petrochemical plants

— Petroleum reneries

— Reverse osmosis plants
— Pulp and paper processing plants
— Various industrial applications

• Push buttons and selector switches are used in conjunction

with contactors or magnetic starters for remote control of
motors in hazardous locations. They provide circuit control
and/or selection.

• Pilot lights provide visual assurance that an electrical function

is being performed at a remote or hazardous location.

• For use in washdown areas.

Features

• Employs Ex de method of protection which eliminates the need

for external seals.

• Operators include push buttons, illuminated push buttons,

selector switches, control and load break switches and LED
pilot lights.

• Pilot light employs high intensity single LED with lifetime of

100,000 hours that can be used at:
— 12 Vac to 254 Vac 50/60 Hz
— 12 Vdc to 60 Vdc

• Up to 3 contact blocks per actuator can be used.

• Contact block technical data:

— IEC rated operating voltage (Ue): 500 Vac – 110 Vdc

— IEC switching capacity:

– AC12: 16 Amp/400 Vac

– AC14: 10 Amp/400 Vac

– AC15: 6 Amp/500 Vac

– DC13: 2 Amp/24 Vdc and 1 Amp/110 Vdc

— NEMA switching capacity: A600: 10 Amp/600 Vac

• Selector switch technical data:

— IEC rated operating voltage: 690 Vac

— IEC rated operating current: maximum 16 Amp

— IEC switching capacity:

– AC1: 16 Amp/690 Vac

– AC15: 16 Amp/415 Vac

– AC3: 8 Amp/500 Vac

– AC3: 4 Amp/690 Vac

– AC3: 16 Amp/690 Vac

– DC1: 10 Amp/24 Vdc

– DC1: 6 Amp/60 Vdc

– DC1: 6 Amp/110 Vdc (2 contacts wired in series)

– DC1: 6 Amp/220 Vdc (3 contacts in series)

— NEMA switching capacity: A600: 10 Amp/600 Vac

• Enclosures are rated for IP66 with rmly secured gasket.

• Operators and contact blocks are spaced for easy wiring.

• Wide selection of termination methods available.

• Choice of DIN rail mounted high performance contact

block suitable for low intensity (less than 5 mA).

• TS35 rail mounted components held securely in place
during operation and easily removed for service.

• Brass Inserts are provided for TS35 DIN rails or mounting
plate to be installed inside the enclosure.

• Captive, corrosion resistant stainless steel cover screws.

Standard Materials

• Body, cover, cable gland and blanking plug: polyamide,

black nish

• Cover screws: stainless steel

• Optional nameplates: stainless steel

Accessories

• Key for changing actuator blocks.

• Guard for mushroom head actuator.

• Padlockable guard.

• M5 earth stud.

• Combination drain and breather available in brass, polyamide
and stainless steel.

Options

• Nameplates: Lamacoid with different color combinations.

• Padlocking ability at left, center, right or any position on
selector switches.

• Padlocking ability for momentary and maintained push buttons.

• Special contact arrangements available, see Unicode 2 Series
Customized Control Stations.

U43W2 VA13A5A9

U42W2 A5A9

173

Unicode™ 2 Series Polyamide Control Stations

CONTROLS CONTROLS: NEC/CEC, ATEX/IECEX INCREASED SAFETY CONTROL STATIONS

© June 2017

Increased Safety

For use in IEC governed hazardous areas. Polyamide is not recognized for use in any NEC/CEC governed hazardous areas.

ATEX:

Zone 1 and 2 – 21 and 22

II 2 GD
Ex de IIC/Ex demb IIC/Ex tD A21
IP66 – IK09

ATEX Certifications and Compliances

• Certification Type PCe

— Gas: Zone 1 and 2

– Conforming to ATEX 94/9/CE: II 2 G
– Type of Protection: Ex de IIC/Ex demb IIC (depending of the

actuator)

– Temperature Class: T6

— Dust: Zone 21 and 22

– Conforming to ATEX 94/9/CE: II2 D
– Type of Protection: Ex tD A21

— Surface Temperature: T75 °C (T167 °F)

— Ambient Temperature: -20 °C to +55 °C (-4 °F to +131 °F)

— CE Declaration of Conformity: 50221

— ATEX Certicate: LCIE 00 ATEX 6047

— Index of Protection according EN/IEC 60529: IP66

— Impact Resistance (shock): IK09

EURASEC Certification

• EURASEC RU C-FR ГБ05.B.00911

Other Certification 

• INMETRO Certicate: BVC 11.0640-X

 INMETRO certification available on special request only. Contact your local sales representative for more information.

174

Unicode™ 2 Series Polyamide Control Stations

CONTROLSCONTROLS: NEC/CEC, ATEX/IECEX INCREASED SAFETY CONTROL STATIONS

© June 2017

Increased Safety

For use in IEC governed hazardous areas. Polyamide is not recognized for use in any NEC/CEC governed hazardous areas.

ATEX:

Zone 1 and 2 – 21 and 22

II 2 GD
Ex de IIC/Ex demb IIC/Ex tD A21
IP66 – IK09

Size 1 Polyamide Control Station:

Included: 1 white self-adhesive laminated plastic nameplate, 2 x M20
bottom clearance entries, 1 blanking plug, 1 cable gland in polyamide
[Ø 6.5 mm to 14.5 mm (0.26” to 0.57”)], 2 locknuts.

Momentary Push Button

Green insert ‘I’ + red insert ‘O’
with 1NO + 1NC momentary
contacts

Description/Function Diagram

Bottom
Entries

2 x M20

Weight

kg (lb)

0.48

(1.06)

Volume

dm3 (in3)

2.5

(152.56)

Catalog
Number

U41W2A3

1x green push button ”I”
with 1NO momentary contact

1x red push button ”O” with
1NC momentary contact

Emergency Stop

Red mushroom head push-pull
1NC maintained contact

Red mushroom head push-pull
1NO + 1NC maintained contacts

Red mushroom head key release
1NC maintained contact

Red mushroom head key release
1NO + 1NC maintained contacts

Mushroom Head Push Button

Black mushroom head push
button
1NO + 1NC momentary contacts

Red mushroom head push button
1NC momentary contact

2 x M20

2 x M20

2 x M20

2 x M20

2 x M20

2 x M20

2 x M20

2 x M20

0.48

(1.06)

0.48

(1.06)

0.48

(1.06)

0.48

(1.06)

0.48

(1.06)

0.48

(1.06)

0.48

(1.06)

0.48

(1.06)

2.5

(152.56)

2.5

(152.56)

2.5

(152.56)

2.5

(152.56)

2.5

(152.56)

2.5

(152.56)

2.5

(152.56)

2.5

(152.56)

U41W2A5

U41W2A9

U41W2D9

U41W2D3

U41W2C9

U41W2C3

U41W2B3

U41W2R9

Key Push Button

With key removable in both
positions
1NO + 1NC maintained contacts

2 x M20

0.48

(1.06)

2.5

(152.56)

U41W2E3

175