Heavy-Duty 30.5mm Metal Selector Switches

10250T-SS Series Selector Switches

Selector Switches, Heavy Duty 30mm 2-way Selector Switches

^MYR197.00 10250T3023

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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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Description

The 30.5 mm selector switches features a zinc die cast construction with chrome-plated housing and mounting nut.

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-SS 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.

Omega’s selector switch 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 inSimilarly 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:
    Key and Lever Selector Switches: 3000 operations per hr
Life:
    Contact Blocks: 10,000,000 operations
    Lever and Key Selector Switches: 250,000 operations
    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')
     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

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Part Number/Desc.

Qty

Description

Complete Selector Switches (includes contact blocks)

10250T20LB

MYR475.00

Availability: 4 weeks

On/Off switch (black knob switch comes with NO/NC contact block)

10250T21LB

MYR362.00

Availability: 1 week

H-O-A switch (black lever switch comes with 2 NO/2 NC contact blocks)

Selector Switch Operators - Contact blocks sold separately

10250T1311

MYR197.00

Availability: 1 week

2-position maintained selector switch, knob

10250T1323

MYR197.00

Availability: 4 weeks

3-position maintained selector switch, knob

10250T3011

MYR197.00

Availability: 1 week

2-position maintained selector switch, lever

10250T3023

MYR197.00

Availability: 1 week

3-position maintained selector switch, lever

10250T15112

MYR520.00

Availability: 4 weeks

2-position maintained selector switch, keyed

10250T15237

MYR520.00

Availability: 1 week

3-position maintained selector switch, keyed

Selector Switch Contact Blocks

10250T2

MYR158.00

Availability: 1 week

Contact block-2 NO, 6 blocks can be stacked

10250T3

MYR158.00

Availability: 4 weeks

Contact block-2 NC, 6 blocks can be stacked

10250T51

MYR81.00

Availability: 1 week

Contact block-1 NC, 6 blocks can be stacked

10250T53

MYR81.00

Availability: 1 week

Contact block-1 NO, 6 blocks can be stacked

10250T1

MYR161.00

Availability: 1 week

Contact block-NO-NC, 6 blocks can be stacked

10250T71

MYR81.00

Availability: 4 weeks

Contact block-late opening NC

10250T47

MYR161.00

Availability: 4 weeks

Contact block-early closing NO and standard NC

10250T57

MYR161.00

Availability: 4 weeks

Contact block-early closing NO and standard NO, 4 blocks can be stacked

Legend Plates

10250TM38

MYR18.25

Availability: 4 weeks

For/Rev

10250TM42

MYR23.25

Availability: 4 weeks

Off/On

10250TM47

MYR18.25

Availability: 1 week

Start/Stop

10250TM50

MYR18.25

Availability: 4 weeks

F-O-R

10250TM51

MYR18.25

Availability: 1 week

H-O-A

† All prices on this site are shown in Malaysian Ringgit.
Note: *Operators require contact blocks, sold separately.
Ordering Example: (1) 10250T1311 2 position maintained selector switch, knob, MYR197.00 plus (1) 10250T2 Contact block, 2 normally open, MYR158.00, MYR197.00 + 158.00 = MYR355.00