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  • 參數(shù)資料
    型號: 44HG30-01-5-02N
    廠商: GRAYHILL INC
    元件分類: 開關(guān)
    英文描述: ROTARY SWITCH-2POSITIONS, 5PDT, LATCHED, 0.025A, 28VDC, PANEL MOUNT-THREADED
    封裝: ROHS COMPLIANT
    文件頁數(shù): 9/10頁
    文件大?。?/td> 1279K
    代理商: 44HG30-01-5-02N
    Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois
    60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com
    Rotary
    Switches
    Multi-Deck Rotary Switches
    SPECIFICATIONS:
    MIL-S-3786 Electrical Values
    Military Style
    Style M switches, at 85°C, approximately
    68% humidity and sea level pressure and
    style H and HS at 125°C have been tested to
    make and break the following loads as stated
    in MIL-DTL-3786/SR04; 250 milliamperes at
    28 Vdc resistive, 100 milliamperes at 28 Vdc
    inductive (2.8 henries); 75 milliamperes at
    115 Vac resistive.
    These switches have also been tested at
    reduced barometric pressure (70,000 feet),
    25°C at approximately 68% relative humidity
    to make and break the following loads as
    stated
    in
    MIL-DTL-3786/SR04;
    200
    milliamperes, 28 Vdc resistive; 25 milliamperes,
    28 Vdc inductive (2.8 henries); 20
    milliamperes, 115 Vac resistive. When tested
    to these loads and conditions the style M, H
    and HS switches meet the following life limiting
    or failure criteria after 25,000 cycles in
    accordance with MIL-S-3786.
    Contact Resistance: 50 milliohms maximum
    Insulation Resistance: 1,000 megaohms
    minimum between terminals and shafts
    Dielectric Strength: 1,000 Vac (atmospheric
    pressure) and 450 Vac (reduced pressure)
    minimum between mutually insulated parts.
    When tested at sea level 25°C and 68%
    relative humidity with failure criteria of 50
    milliohms max. and 750 Vac breakdown
    voltage, these switches will make and break
    the following loads: 250 mA at 28 Vdc,
    inductive (2.8 henries); 1.25 amps at 28 Vdc
    resistive; 2.0 amps at 115 Vac, 60 Hz resistive,
    for 10,000 cycles.
    These switches also meet MIL-DTL-3786/SR04
    for moisture resistance, medium and high shock,
    vibration (10 to 2000 cps), thermal shock (-
    65°C to 125°C), salt spray, explosion and
    terminal pull.
    Materials and Finishes
    Standard Style
    Bases: Melamine per (MIL-M-14) ASTM-D-
    5948
    Cover, Deck Separators, End Plate and Rotor
    Mounting Plate: Phenolic per (MIL-M-14)
    ASTM-D-5948
    Mounting Bushings: Brass, tin/zinc-plated.
    Shaft, Cover Plate, Retaining Rings, Through
    Bolts, Shaft Extensions, Stop Arm, Thrust
    Washers Stop Washers and Rear Support
    Plate: Stainless Steel
    Detent Balls: Steel, nickel-plated
    Detent Springs: Tinned music wire
    Rotor Contact, Stator (Base) Contacts: Silver
    alloy
    Terminals (Except Common): Brass, tin plated
    Common Plate, Including Solder Lug: Brass,
    silver-plated .0003" minimum
    Mounting Hardware: Two mounting nuts .094"
    (2,39) thick by .562" (14,27) across flats and
    one internal tooth lockwasher are supplied
    with each switch.
    Stud Nuts, Mounting Nuts, Lock Washers:
    Tin/zinc-plated or stainless steel.
    Materials and Finishes
    Military Qualified
    Bases: Diallyl per (MIL-M-14) ASTM-D-5948
    Cover, Deck Separators, End Plate and Rotor
    Mounting Plate: Diallyl per (MIL-M-14) ASTM-
    D-5948
    Mounting Bushings: Brass, tin/zinc-plated.
    Shaft, Cover Plate, Retaining Rings,
    Through Bolts, Shaft Extensions, Stop
    Arm, Stop Washers, Thrust Washers and
    Rear Support Plate: Stainless steel
    Detent Balls: Steel, nickel-plated
    Detent Springs: Tinned music wire
    Rotor Contact: Silver alloy
    Terminals, Common Plate including
    Solder Lug: Brass, silver-plated .0003"
    minimum
    Mounting Hardware: Two mounting nuts
    .094" thick by .562" across flats and one
    internal tooth lockwasher are supplied with
    each switch.
    Stud Nuts, Mounting Nuts, Lock Washers:
    Tin/zinc-plated or stainless steel.
    Additional Characteristics
    Standard Style and Military Qualified
    Contact: Shorting or non-shorting wiping
    contacts with over 150 grams of contact
    force
    Rotational Torque: 8-115 ounce-inches
    depending upon the number of poles per
    deck, number of decks and angle of throw
    Mechanical Life Expectancy: 100,000
    cycles of operation
    Shaft Flat Orientation: Flat opposite
    contacting position of pole number one (See
    circuit diagram).
    Stop Strength: For Standard style: 15 pound-
    inches minimum. For Adjustable stop styles:
    12 pound-inches
    Extended Stud: Single shaft switches of six
    or more decks and concentric shaft switches
    of a combination of five or more decks
    (Standard style) or four or more decks (Military
    style) have longer studs with extra mounting
    nuts for recommended double end mount.
    Rotary
    29
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