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Heavy-Duty 30.5mm Metal Push Buttons, Selector Switches, Contact Blocks, Legend Plates and Pushbutton Enclosures

10250T Series   
NEW! CE
 
10250T Series:Heavy-Duty 30.5mm Metal Push Buttons, Selector Switches, Contact Blocks,  Legend Plates and Pushbutton Enclosures
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$24.90  10250T112
Heavy-Duty Zinc Die Cast Construction
Enclosed Silver Contacts with Reliability Nibs
Diaphragm Seals with Drainage Holes
Grounding Nibs on Operator Casing

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The 30.5 mm pushbutton line features a zinc die cast construction with chrome-plated housing and mounting nut. The same durable construction is also available with the corrosive resistant E34 Series of pushbuttons.

The contact blocks feature enclosed silver contacts with pointed "reliability nibs" for reliable performance from logic level up to 600V. To ensure reliable switching, nibs bite through oxide which can form on silver contacts, eliminating the need for expensive logic level blocks for most applications.

Reliability nibs improve performance in dry circuit, corrosive, fine dust and other contaminated atmospheres.

Under normal environmental conditions, the minimum operational voltage is 5V and the minimum operational current is 1 mA, AC/DC. For operation under a wider range of environmental conditions, logic level contact blocks with inert palladium tipped contacts are recommended.

10250T Series operators have "grounding nibs"?4 metal points on the operator casting designed to bite through most paints and other coatings on metal panels to enhance the ground connection when the operator is securely tightened.

The 10250T pushbutton operators offer front of panel drainage via holes in the operator bushing. Hidden from view by the mounting nut, these holes prevent buildup of liquid inside the operator, which can prevent operation in freezing environments. The holes also provide a route for escaping liquid in high pressure washdowns, effectively relieving pressure from the internal diaphragm seal. This ensures reliable sealing in applications even beyond NEMA 4.

SPECIFICATIONS
Standards and Certifications:
CE EN60947-5-1
    UL 508: File No. 131568
    CSA C22.2 No. 14: File No. LR68551
Ingress Protection (When Mounted in Similarly Rated Enclosure):
    Standard Indicating Lights: UL (NEMA) Type 1, 2, 3, 3R, 3S, 4, 4X, 12, 13; IEC IP65
    All Other Operators: UL (NEMA) Type 1, 2, 3, 3R, 4, 4X, 12, 13; IEC IP65
MECHANICAL RATINGS
Frequency of Operation:
    All Pushbuttons: 6000 operations per hr
    Key and Lever Selector Switches: 3000 operations per hr
    Auto-Latch Devices: 1200 operations per hr
Life:
Pushbuttons: 10 x 106 operations
Contact Blocks: 10 x 106 operations
PresTest Units: 10 x 106 operations
Lever and Key Selector Switches: 0.25 x 106 operations
Twist-to-Release Pushbuttons: 0.3 x 106 operation
Shock Resistance Duration: 20 mS ≥ 5g
Climate Conditions:
    Operating Temperature: -17 to 66?C (1 to 150?F)
    Storage Temperature: -40 to 80?C (-40 to 176?F)
    Altitude: 2000 m (6562')
    Max Humidity: 95% RH @ 60?C (140?F)
Terminals: Marking; NC-NO on the contact block to meet the NEMA requirements; dual marking system 1 to 2 for normally closed, 3 to 4 for normally open to meet BS5472(Cenelec EN50 005)
Clamps: Terminals are saddle clamp type for 1 x 22 AWG (0.34 mm2) to 2 x 14 AWG (2.5 mm2) conductors; torque = 7 lb-in (0.8 Nm)
Degree of Protection Against Direct Electrical Contact: IP2X with fingerproof shroud
Light Units: Transformers will withstand short circuit for 1 hr per IEC 60997-5-1
Average Bulb Life:
    Transformer type: 20,000 hrs
    Resistor/Direct Voltage Type: 2500 hr min @ rated V
    LED: 60,000 to 100,000 hrs
Electrical Ratings
    Insulation: Ui = 660 Vac or Vdc
    Thermal: lth = 10 A
Short Circuit Coordination to IEC/EN 60947-5-1:
    Rated Conditional Short Circuit Current: 1 kA
    Fuse Type: GE Power Controls TIA 10, Red Spot Type gG, 10 A, 660 Vac, 460 Vdc, BS88-2, IEC 60269-2-1
    UL Rating: A600, P600
AC Load Life Duty Cycle: 1200 operations per hr
    10A: 110V pf 0.4 ? 1 x 106 operations
    5A: 250V pf 0.4 ? 1 x 106 operations
    2A: 660V pf 0.4 ? 1 x 106 operations
Switching Capacity:
    AC15 Rated Make/Break (11 x le at 1.1 x Ue):
        6 A: 120V pf 0.3
        4 A: 240V pf 0.3
        2 A: 660V pf 0.3
    DC13 Rated Make/Break (1.1 x le at 1.1 x Ue):
        1.0 A: 125V L/R≥ 0.95 @ 300 mS
        0.55 A: 250V L/R ≥ 0.95 @ 300 mS
        0.1 A: 660V L/R ≥ 0.95 @ 300 mS
        10 A: 110V pure resistive
Maximum Ratings for Logic Level and Hostile Atmosphere Application:
    Max Amperes: 0.5 A
    Max Volts: 120 Vac/Vdc


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 Part Number   Availability   Price   Description    Qty.
 
COMPLETE PUSHBUTTONS - Contact Block included
    10250T23B In Stock   $38.75    Start button (black flush button comes with NO contact block)  
    10250T25R In Stock   $38.75    Stop button (red extended button comes with NC contact block)  
Click to expand/minimize a list of what others bought with the 10250T29  10250T29 In Stock   $85.50    ''Emergency Stop'' -momentary- Red JUMBO mushroom head button comes with NC contact block  
 
Non-Illuminated Pushbutton Operators - Contact Blocks sold separately
    10250T101 In Stock   $24.90    Black flush pushbutton operator, momentary  
Click to expand/minimize a list of what others bought with the 10250T103  10250T103 In Stock   $24.90    Green flush pushbutton operator, momentary  
Click to expand/minimize a list of what others bought with the 10250T112  10250T112 In Stock   $24.90    Red extended pushbutton operator, momentary  
    10250T122 In Stock   $53.00    Red mushroom head operator, momentary  
    10250T17213 In Stock   $69.50    E-Stop mushroom operator, momentary  
    10250T172 In Stock   $63.00    Red jumbo mushroom head operator, momentary  
 Non-Illuminated Push-Pull Operators - Button Head & Contact Blocks sold separately
    10250T5 In Stock   $46.00    Push-pull maintained 2-position operator without lens  
 Non-Illuminated Push-Pull Button Heads
    10250TB62 In Stock   $7.00    Red mushroom push-pull buton head  
    10250TB63 In Stock   $7.00    Red ''Emergency Stop'' mushroom push-pull buton head  
    10250TJ62 In Stock   $38.00    Red JUMBO mushroom push-pull buton head  
    10250TJ63 In Stock   $45.00    Red JUMBO mushroom ''Emergency Stop'' push-pull buton head  
 
Illuminated Pushbutton Operators - Lens & Contact Blocks sold separately
    10250T411 In Stock   $92.00    Illuminated pushbutton operator, no lens, 120 Vac, incandescent, momentary  
    10250T79 In Stock   $55.00    24/28V incandescent light module  
 Lens for Illuminated Pushbuttons
    10250TC21 In Stock   $6.55    Red glass lens for illuminated pushbuttons  
    10250TC43 In Stock   $6.55    Amber glass lens for illuminated pushbuttons  
    10250TC22 In Stock   $6.55    Green glass lens for illuminated pushbuttons  
    10250TC14N In Stock   $11.70    Green plastic lens for illuminated pushbuttons  
    10250TC15N In Stock   $11.70    Amber plastic lens for illuminated pushbuttons  
    10250TC13N In Stock   $11.70    Red plastic lens for illuminated pushbuttons  
 Illuminated Push-Pull Operators - Button Head & Contact Blocks sold separately
    10250T63 In Stock   $75.00    120V transformer incandescent Push-Pull light unit. maintained  
 Lens for Illuminated Push-Pull Pushbuttons
    10250TC47 In Stock   $7.00    Red mushroom lens for push-pull pushbuttons  
    10250TC53 In Stock   $7.00    Red mushroom lens for push-pull pushbuttons  
    10250TC57 In Stock   $16.00    Red mushroom side illuminated aluminum ring lens  
    10250TC63 In Stock   $16.00    Red mushroom ''Emergency Stop'' lens for push-pull pushbuttons  
 
INDICATING LIGHTS - Lens sold separately
    10250T181N In Stock   $92.00    120V transformer type  
    10250T201N In Stock   $75.00    120V full voltage/resistor type  
 Lens for Indicating Lights
    10250TC1N In Stock   $6.55    Red plastic lens for indcating light  
    10250TC2N In Stock   $6.55    Green plastic lens for indcating light  
    10250TC19N In Stock   $6.55    Amber plastic lens for indcating light  
    10250TC6N In Stock   $6.55    White plastic lens for indcating light  
    10250TC7N In Stock   $11.70    Red glass lens for indcating light  
    10250TC8N In Stock   $11.70    Green glass lens for indcating light  
    10250TC9N In Stock   $11.70    Amber glass lens for indcating light  
    10250TC12N In Stock   $11.70    White glass lens for indcating light  
 PRES-TO-TEST INDICATING LIGHTS - Lens sold separately
 
    10250T221N In Stock   $122.00    Pres-to-test indicating light, 120V transformer type  
    10250T231N In Stock   $103.00    Pres-to-test indicating light, 120V full voltage/resistor type  
 Lens for Pres-To-Test Indicating Lights
    10250TC21 In Stock   $6.55    Red plastic lens for Pres-To-Test indicating lights  
    10250TC22 In Stock   $6.55    Green plastic lens for Pres-To-Test indicating lights  
    10250TC43 In Stock   $6.55    Amber plastic lens for Pres-To-Test indicating lights  
    10250TC13N In Stock   $11.70    Red glass lens for Pres-To-Test indicating lights  
    10250TC14N In Stock   $11.70    Green glass lens for Pres-To-Test indicating lights  
    10250TC15N In Stock   $11.70    Amber glass lens for Pres-To-Test indicating lights  
 
SELECTOR SWITCHES
 Complete Selector Switches - Contact Blocks Included
Click to expand/minimize a list of what others bought with the 10250T20LB  10250T20LB In Stock   $63.00    On/Off switch (black knob switch comes with NO/NC contact block)  
Click to expand/minimize a list of what others bought with the 10250T21LB  10250T21LB In Stock   $63.00    H-O-A switch (black lever switch comes with 2 NO/2 NC contact blocks)  
 Selector Switch Operators - Contact Blocks sold separately
 
    10250T1311 In Stock   $34.25    2-position maintained selector switch, knob  
    10250T1323 In Stock   $34.25    3-position maintained selector switch, knob  
    10250T3011 In Stock   $34.25    2-position maintained selector switch, lever  
    10250T3023 In Stock   $34.25    3-position maintained selector switch, lever  
    10250T15112 In Stock   $90.00    2-position maintained selector switch, keyed  
    10250T15237 In Stock   $90.00    3-position maintained selector switch, keyed  
 
CONTACT BLOCKS
    10250T2 In Stock   $27.50    Contact block?2 NO, 6 blocks can be stacked  
    10250T3 In Stock   $27.50    Contact block?2 NC, 6 blocks can be stacked  
Click to expand/minimize a list of what others bought with the 10250T51  10250T51 In Stock   $13.90    Contact block?1 NC, 6 blocks can be stacked  
Click to expand/minimize a list of what others bought with the 10250T53  10250T53 In Stock   $13.90    Contact block?1 NO, 6 blocks can be stacked  
    10250T1 In Stock   $28.00    Contact block?NO-NC, 6 blocks can be stacked  
    10250T71 In Stock   $14.00    Contact block?late opening NC  
    10250T47 In Stock   $28.00    Contact block?early closing NO and standard NC  
    10250T57 In Stock   $28.00    Contact block?early closing NO and standard NO, 4 blocks can be stacked  
 
10250T Legend Plates
    10250TM13 In Stock   $3.10    E-stop  
    10250TM24 In Stock   $3.10    Off  
    10250TM25 In Stock   $3.10    On  
    10250TM31 In Stock   $3.10    Run  
    10250TM33 In Stock   $3.10    Start  
    10250TM34 In Stock   $3.10    Stop  
    10250TM36 In Stock   $3.10    Blank  
    10250TM38 In Stock   $3.10    For/Rev  
    10250TM42 In Stock   $3.10    Off/On  
    10250TM47 In Stock   $3.10    Start/Stop  
    10250TM50 In Stock   $3.10    F-O-R  
    10250TM51 In Stock   $3.10    H-O-A  
    10250TM80 In Stock   $3.10    Power On  
 
Die Cast Pushbutton Enclosures NEMA 4, 4X, 12, & 13
    10250TN11 In Stock   $92.00    1 Button enclosure  
    10250TN12 In Stock   $103.00    2 Button enclosure  
    10250TN13 In Stock   $122.00    3 Button enclosure  
    10250TN14 In Stock   $150.00    4 Button enclosure  
 
Replacement Lamps
    10250ED986-4 In Stock   $17.00    6.3V, 10250T flasher  
    28-2202 In Stock   $7.00    6.3V, 10250T transformer, PresTest and full voltage  
    28-5184 In Stock   $7.00    12V, 10250T full voltage  
    28-5185 In Stock   $7.00    24V, 10250T full voltage  
    28-5186 In Stock   $7.00    32V, 10250T full voltage  
    28-5187 In Stock   $7.00    55V, 10250T resistor  
    28-494 In Stock   $13.00    120V, 10250T neon  
    28-3754 In Stock   $13.00    120V, 10250T neon, T 3¼ bayonet  
    28-3755 In Stock   $13.00    24V, 10250T neon  
All dollar amounts on this site are shown in US currency.

 Note: Momentary Pushbutton Operators come with retaining nut, operator gasket, and instruction sheet.
All others come with instruction sheet.
 Ordering Example: (1) 10250T101 Black flush pushbutton operator, $24.90

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