Contents
EMERSON SNPSPQ Contender Series Factory Sealed Control Stations and Pilot Lights
Product Information
The ContenderTM Series Factory Sealed Control Stations and Pilot Lights are explosionproof and dust-ignitionproof devices. They are designed for use in hazardous locations where there is a risk of explosion or ignition of dust particles. These control stations and pilot lights are suitable for Class I, Division 1 and 2, Groups C, D, and B; Class II, Division 1 and 2, Groups E, F, and G; and Class III hazardous areas. They are also rated NEMA 3, 7CD, and 9EFG.
The control stations and pilot lights are furnished with an internal ground screw for electrical grounding. They are made of high-quality materials including a steel clamping ring and a tempered glass jewel. The product range includes various types of push buttons, combination push buttons and pilot lights, rocker arm push buttons, maintained push buttons, pilot lights, and selector switches.
The control stations and switches are classified by UL for use in specific combinations with Cooper Crouse-Hinds EDS covers and bodies. For more information, you can visit the website at www.emerson.com or contact customer support at 800-621-1506.
Product Usage Instructions
- Select the appropriate ContenderTM Series Factory Sealed Control Station or Pilot Light based on your specific application requirements.
- Ensure that the device is compatible with the Cooper Crouse-Hinds EDS covers and bodies if applicable. Install the control station or pilot light in a hazardous location according to the NEC/CEC classifications and compliances.
- Use threaded metal conduit with the UNILETS for proper installation.
- Ensure that the device is securely grounded by using the furnished internal ground screw.
- Follow the provided catalog numbering guide for selecting the appropriate device options and configurations.
- Refer to the illustrated features for understanding the design and functionality of different types of push buttons, pilot lights, and selector switches.
- If additional accessories or nameplates are required, refer to the options section for available choices.
- For tandem or three-device setups, select the appropriate device and gang options.
- Install the control station or pilot light according to the wiring diagram and instructions provided in the user manual.
Applications
- Push buttons and selector switches are used in conjunction with contactors or magnetic starters for remote control of motors. They provide circuit control and/or selection.
- Pilot lights provide visual assurance that an electrical function is being performed at a remote or local location.
- Confine arcing of device within the enclosure, preventing ignition of ignitable atmospheres during control operation of motors and other equipment.
- Used in classified areas where flammable vapors, gasses or highly combustible dusts are present.
- For installation in:
- Chemical plants
- Petrochemical plants
- Refineries
- Other process industries
- Where corrosive elements are present
Features
- Covers are UL Listed when used on Contender bodies.
- Finish is epoxy powder coat for enhanced corrosion resistance.
- Large backbox for ample wiring room.
- Ground screw installed in bodies for ground continuity.
- Corrosion resistant stainless steel hex head captive screws hold covers to body.
- Factory sealed enclosure eliminates need for adding sealing fittings and compound at each conduit entrance.
- Heavy duty, 10 Amp, 600 Vac.
- Factory sealed pilot lights supplied with jewel/guard assembly and 120 Vac/Vdc, 50/60 Hz, 6 Watt lamp (LED provided as option).
- Dozens of possible combinations of push buttons, pilot lights and selector switches.
- Accurately tapped, tapered hubs for tight rigid joints and ground continuity.
- Stainless steel push button shaft operates within stainless steel bushing assuring long, maintenance free operation.
- Smooth, rounded integral bushing in each hub protects conductor insulation.
- Push button and selector switch contacts are silver cadmium oxide which are ”sealed” in lower phenolic chamber isolated from corrosive elements. Assures positive contact and long, trouble free operation.
- Enclosed stainless steel helper spring prevents accidental operation of push button in severe vibration installations.
- All momentary push buttons are supplied with lockout type guards as standard. Hole in guard will accept locks with up to 1/4” hasp. Permits locking of push button to prevent unauthorized operation.
- Clearly marked terminals with brass screws and spade terminals assure quick, easy wiring.
Standard Materials
- Control station body and cover: malleable iron
- SPBB push button: copperfree (4/10 of 1% max.) aluminum upper barrel and phenolic lower barrel with nylon plastic button
- SPBB dust cap push button: neoprene buttons
- SPLS pilot light: copperfree (4/10 of 1% max.) aluminum guard and body assembly; steel clamping ring; and tempered glass jewel
- SSBA selector switch: copperfree (4/10 of 1% max.) aluminum operator mechanism, nylon cam, and sealed phenolic contact block
Standard Finishes
- Control station body: triple coat–(1) zinc electroplate, (2) chromate, and (3) epoxy powder coat
- SPBB push button, SPLS pilot light and SSBA selector switch: natural finish
Contender™ Series Factory Sealed Control Stations and Pilot Lights
Explosionproof, Dust-Ignitionproof
UNILETS™ for use with Threaded Metal Conduit. Furnished with Internal Ground Screw.
NEC/CEC:
- Class I, Division 1, Groups C, D
- Class I, Division 2, Groups B, C, D
- Class II, Division 1 and 2, Groups E, F, G
- Class III
- NEMA 3, 7CD, 9EFG
Options
- 1- or 2-gang boxes:
- For aluminum cover only, add suffix – A.
- For aluminum body and cover, add suffix – SA.
- Three position selector switches with modified operation:— Momentary contact right position, spring return to center; maintained contact left position. Add suffix – S634.
- Momentary contact left position, spring return to center; maintained contact right position. Add suffix – S635.
- Momentary contact right position, spring return to center;maintained contact left position; alternate contacts. Add suffix – S636.
- Selector switch lockout locks two or three position handle in any position. Add suffix – S349.
- Momentary push button securing rod, add suffix – S153.
- Pilot light jewel/guard assembly. Order by suffixes if color desired is other than red:
- Amber– J6
- Opal– J8
- Clear – J10
- Blue– J11
- Green– J3
- Bodies and covers (1- or 2-gang) in copperfree (4/10 of 1%max.) aluminum. Add suffix – SA.
- Securing rod for push button lockout guard, add suffix– S153.
- LED pilot lights are available in lieu of incandescent pilot lights. Order by suffixes for desired color as follows:
- Red– LED1
- Green– LED3
- Amber– LED6
NEC/CEC Certifications and Compliances
- UL Standards: UL 508, UL 698, UL 1203
- CSA Standards: C22.2 No. 14
- cULus Listed: E10449, E81751
Related Products
For Division 1, Group B applications, refer to EFDB Series.
Illustrated Features
SPBB Design Features
Catalog Numbering Guide
- Full Catalog Number: EDSC12-524-J3-LNPUPQ-1274-S634-SLNPJORQ
- Feed-Thru 2-Gang Box with 1/2” Hub:
- In Gang #1: One Pilot Light with UP Nameplate
- In Gang #2: One 3-Position, 4-Circuit Spring Return from the right Selector Switch with JOG-OFF-RUN Nameplate.
Options
| Description | Suffix |
| Momentary Push Button Securing Rod | S153 |
| Selector Switch Lockout | S349 |
| Spring Return From Right Selector Switch (3 Positions Only) | S634 |
| Spring Return From Left Selector Switch (3 Positions Only) | S635 |
| Spring Return From Right Selector Switch With Alternate Contacts (3 Positions Only) | S636 |
| Change One Red Lens to Green Lens | J3 |
| Change One Red Lens to Opal Lens | J8 |
| Change One Red Lens to Amber Lens | J6 |
| Change One Red Lens to Blue Lens | J11 |
| Change One Red Lens to Clear Lens | J10 |
| Add 220/120 Vac Transformer (J1 Device Only) | S801 |
| Add 277/120 Vac Transformer (J1 Device Only) | S802 |
| Add 440/120 Vac Transformer (J1 Device Only) | S803 |
| Add 550/120 Vac Transformer (J1 Device Only) | S804 |
| Change One Red Pilot to Red LED | LED1 |
| Change One Red Lens to Green LED | LED3 |
| Change One Red Lens to Amber LED | LED6 |
| Add Red Mushroom Head to Momentary Push Button | S805 |
| Add Black Mushroom Head to Momentary Push Button | S806 |
| Add Green Mushroom Head to Momentary Push Button | S807 |
| Locking Guard for Maintained Push Button | S808 |
Devices
| Available in Available in
Device Description 1-G, 2-G Tandem Three Device Suffix |
|||
| One Pilot Light (Red Standard) | Y | 524 | |
| Two Pilot Lights | Y | 561 | |
| One Pilot Light and One Momentary Push Button | Y | 473 | |
| One Pilot Light and Two Momentary Push Buttons | Y | Y | 234 |
| One Pilot Light and One Maintained Push Button | Y | 701 | |
| One Pilot Light and One Dust-Cap Push Button | Y | 702 | |
| One Pilot Light and One 12 Selector Switch (2 Position, 2 Circuit) | Y | 703 | |
| One Pilot Light and One 35 Selector Switch (2 Position, 4 Circuit) | Y | 704 | |
| One Pilot Light and One 102 Selector Switch (3 Position, 2 Circuit) | Y | 705 | |
| One Pilot Light and One 345 Selector Switch (3 Position, 4 Circuit) | Y | 706 | |
| One Monetary Push Button | Y | 84 | |
| Two Monetary Push Buttons | Y | 90 | |
| Two Side-By-Side Momentary Push Buttons | Y | 95 | |
| Three Monetary Push Buttons | Y | Y | 707 |
| One Momentary Push Button and One Maintained Push Button | Y | 708 | |
| One Momentary Push Button and One Dust Cap Push Button | Y | 709 | |
| One Momentary Push Button and One 12 Selector Switch (2 Position, 2 Circuit) | Y | 710 | |
| One Momentary Push Button and One 35 Selector Switch (2 Position, 4 Circuit) | Y | 711 | |
| One Momentary Push Button and One 102 Selector Switch (3 Position, 2 Circuit) | Y | 712 | |
| One Momentary Push Button and One 345 Selector Switch (3 Position, 4 Circuit) | Y | 713 | |
| One Maintained Push Button (Mushroom Head – Red) | Y | 714 | |
| Two Maintained Push Button | Y | 715 | |
| One Maintained and One Dust Cap Push Button | Y | 716 | |
| One Maintained Push Button and One 12 Selector Switch (2 Position, 2 Circuit) | Y | 717 | |
| One Maintained Push Button and One 35 Selector Switch (2 Position, 4 Circuit) | Y | 718 | |
| One Maintained Push Button and One 102 Selector Switch (3 Position, 2 Circuit) | Y | 719 | |
| One Maintained Push Button and One 345 Selector Switch (3 Position, 4 Circuit) | Y | 720 | |
| One Dust Cap Push Button | Y | 721 | |
| Two Dust Cap Push Buttons | Y | 722 | |
| One Dust Cap and One 12 Selector Switch (2 Position, 2 Circuit) | Y | 723 | |
| One Dust Cap and One 35 Selector Switch (2 Position, 4 Circuit) | Y | 724 | |
| One Dust Cap and One 102 Selector Switch (3 Position, 2 Circuit) | Y | 725 | |
| One Dust Cap and One 345 Selector Switch | Y | 726 | |
| One 12 Selector Switch (2 Position, 2 Circuit) | Y | 271 | |
| One 35 Selector Switch (2 Position, 4 Circuit) | Y | 272 | |
| One 102 Selector Switch (3 Position, 2 Circuit) | Y | 273 | |
| One 345 Selector Switch (3 Position, 4 Circuit) | Y | 274 | |
| 120 Vac Photocell | Y | 727 | |
| 277 Vac Photocell | Y | 728 | |
| Three Dust Cap Push Buttons | Y | 729 | |
| One Momentary and Two Maintained Push Buttons | Y | 730 | |
| Two Momentary and One Maintained Push Buttons | Y | Y | 731 |
| Three Maintained Push Buttons | Y | 732 | |
| Three Pilot Lights | Y | 476 | |
| Two Pilot Lights and One Momentary Push Button | Y | 733 | |
| One Pilot Light and Two Dust Cap Push Buttons | Y | 734 | |
| Two Pilot Lights and One Dust Cap Push Button | Y | 735 | |
| One Pilot Light and Two Maintained Push Buttons | Y | 736 | |
| Two Pilot Lights and One Maintained Push Button | Y | 737 | |
Nameplates
- Malleable Iron Body and Cover. For Aluminum Body and Cover, add suffix – SA.
- Pilot Lights furnished with 6 Watt, 120 Vac 6S6 lamp and Red Jewel – for other colors, add color suffix for each pilot light: Amber – J6, Blue – J11, Clear – J10, Green – J3, Opal – J8.
- Malleable Iron Body and Cover. For Aluminum Body and Cover, add suffix – SA.
- For Aluminum Cover only, add suffix – A.
- Supplied as standard with maintained contact selector switches. Specify catalog number from nameplate listings if other than standard nameplate is desired.
Selector Switches Nameplates
Rocker Arm Handle
Covers
For Aluminum Cover only, add suffix – A.
For other colors, add color suffix for each pilot light: Amber—JGBA, Blue—JGBB, Clear—JGBC, Green—JGBG, Opal—JGBO.
Covers Only — for use on standard Contender bodies
- For Aluminum Cover only, add suffix – A.
- Must be used with Contender Series backboxes.
- Catalog number EDSKL-3PB supplied with 8 stainless steel non-captive bolts.
- Supplied with 4 stainless steel captive bolts .
Mounting Body Dimensions in Millimeters (Inches)
|
Unilet Type |
Hub Size (Inches) |
A |
Dimensions in Millimeters (Inches) B |
C |
| 1/2 | 153.9 (6.06) | 173.0 (6.81) | 19.1 (0.75) | |
| 1-Gang | 3/4 | 153.9 (6.06) | 173.0 (6.81) | 22.4 (0.88) |
| 1 | 156.7 (6.17) | 179.6 (7.03) | 25.4 (1.00) | |
| 1/2 | 153.9 (6.06) | 173.0 (6.81) | 22.4 (0.88) | |
| 2-Gang | 3/4 | 153.9 (6.06) | 173.0 (6.81) | 22.4 (0.88) |
| 1 | 156.7 (6.17) | 179.6 (7.03) | 25.4 (1.00) | |
| 1/2 | 211.8 (8.34) | 233.4 (9.19) | 25.4 (1.00) | |
| 3-Device | 3/4 | 211.8 (8.34) | 233.4 (9.19) | 25.4 (1.00) |
| 1 | 211.8 (8.34) | 233.4 (9.19) | 25.4 (1.00) | |
| 1/2 | 287.3 (11.31) | 309.1 (12.09) | 22.4 (0.88) | |
| Tandem | 3/4 | 287.3 (11.31) | 309.1 (12.09) | 22.4 (0.88) |
| 1 | 290.6 (11.44) | 312.7 (12.31) | 25.4 (1.00) |
| Hub Size
Unilet Type (Inches) |
A |
Dimensions in Millimeters (Inches) B |
C |
| 1/2 | 153.9 (6.06) | 173.0 (6.81) | 19.1 (0.75) |
| 1-Gang 3/4 | 153.9 (6.06) | 165.4 (6.51) | 22.4 (0.88) |
| 1 | 156.7 (6.17) | 179.6 (7.03) | 25.4 (1.00) |
| 1/2 and 3/4
1 |
153.9 (6.06)
156.7 (6.17) |
165.4 (6.51)
179.6 (7.03) |
22.4 (0.88)
25.4 (1.00) |