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Home > Products > Switches > Rotary Switches > 44HS30-02-1-04N
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44HS30-02-1-04N

In Stock 558 pcs Reference Price(In US Dollars)
10+
$65.9488
Manufacturer Part Number:
44HS30-02-1-04N
Manufacturer / Brand
Grayhill Inc.
Part of Description:
SWITCH ROTARY 125 DEG;C, SHAFT/P
Datasheets:
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 558 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number 44HS30-02-1-04N
Manufacturer / Brand Grayhill Inc.
Stock Quantity 558 pcs Stock
Category Switches > Rotary Switches
Description SWITCH ROTARY 125 DEG;C, SHAFT/P
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating - DC 28 V
Voltage Rating - AC 115 V
Termination Style Solder Lug
Series 44
Panel Cutout Dimensions -
Package Bulk
Number of Positions 4
Number of Poles per Deck 1
Number of Decks 2
Mounting Type Panel Mount
Index Stops Fixed
Features Shaft and Panel Sealed
Depth Behind Panel 34.82mm
Current Rating (Amps) 1A (AC/DC)
Contact Timing Non-Shorting (BBM)
Contact Material Silver Alloy
Contact Finish -
Circuit per Deck SP4T
Base Product Number 44HS30
Angle of Throw 30°
Actuator Type Flatted (6.35mm Dia)
Actuator Length 11.10mm

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

How do I use Grayhill 44HS30-02-1-04N in a low-voltage control circuit when the datasheet also lists 115 VAC?
Grayhill 44HS30-02-1-04N can be used in either AC or DC circuits within its rated limits, so a 28 VDC control loop is electrically acceptable. The main design check is contact loading: at very low signal levels, silver-alloy rotary contacts can benefit from enough wetting current to maintain stable switching performance over time. For logic-level signals, many designs add a small load or use the switch to drive an intermediate relay or input stage rather than switching a bare microamp-level signal directly.
Is Grayhill 44HS30-02-1-04N suitable for switching signals between circuits, or should it be used only for power selection?
Grayhill 44HS30-02-1-04N is a 1 A rotary switch with non-shorting break-before-make contact timing, so it is generally better suited to routing discrete control, selector, or moderate-load circuits than to hot-switching sensitive low-level analog paths. The BBM behavior helps prevent momentary overlap between positions, but it also means the load is briefly disconnected during transition. If uninterrupted transfer is required, a make-before-break topology would be a different fit.
Can Grayhill 44HS30-02-1-04N replace another 4-position panel rotary switch without changing the front panel cutout?
Grayhill 44HS30-02-1-04N is a panel-mount rotary switch, but replacement compatibility depends on shaft style, shaft length, panel thickness, bushing geometry, and rear clearance rather than position count alone. Its flatted 6.35 mm shaft and 34.82 mm depth behind panel should be checked against the existing hardware envelope. If the previous part used a different indexing angle, the knob orientation and detent alignment may also shift, which can require a panel label update or mechanical rework.
What should I verify before wiring Grayhill 44HS30-02-1-04N into an industrial enclosure?
For Grayhill 44HS30-02-1-04N, verify that the enclosure wiring method matches the solder lug terminations and that lead dress will not stress the terminals during vibration. The shaft and panel sealed construction helps in dusty or splash-prone environments, but it does not eliminate the need for proper enclosure sealing, strain relief, and corrosion-aware wiring practices. In long-life industrial use, contact load level, switching frequency, and environmental contamination are the main factors that influence service life.
When is Grayhill 44HS30-02-1-04N a better choice than a pushbutton or toggle switch?
Grayhill 44HS30-02-1-04N is a practical choice when one rotary control must select among four stable states with clear positional feedback and fixed indexing. Compared with pushbuttons or toggles, it reduces ambiguity when the operator needs a repeatable rotary selection for mode, channel, or range switching. It is less appropriate where frequent remote actuation, sealed automation-grade inputs, or high-cycle electronic switching are required.
What are the practical limits of Grayhill 44HS30-02-1-04N for replacing a higher-current rotary switch?
Grayhill 44HS30-02-1-04N is rated for 1 A at 115 VAC or 28 VDC, so it should not be used as a direct substitute for a rotary switch that carries motor, lamp bank, heater, or transformer primary current above that range. If the original part was used in a higher-energy circuit, the safer migration path is often to let Grayhill 44HS30-02-1-04N control a relay or contactor coil instead of the load itself. That preserves the desired user interface while moving the current burden to a device built for it.
Does Grayhill 44HS30-02-1-04N need special attention for low-level signal integrity or intermittent contact concerns?
Grayhill 44HS30-02-1-04N uses silver-alloy contacts, which are common in general-purpose switching, but low-level signal circuits can still be sensitive to oxidation, contamination, and insufficient contact current. For instrumentation or logic inputs, engineers often confirm the minimum load current, switching frequency, and contamination exposure before committing to a direct-contact design. If the application is especially sensitive to contact resistance drift, a buffered interface or sealed signal-conditioning stage may be more stable.
What replacement details matter most if I am migrating from Grayhill 44HS30-02-1-04N to another Grayhill 44-series switch?
When migrating from Grayhill 44HS30-02-1-04N to another 44-series switch, the key checks are the number of positions, deck count, pole arrangement, shaft geometry, throw angle, and timing type. A part that appears similar can still differ in indexing, stack configuration, or rear depth, which changes both panel fit and the electrical truth table. Matching only the family name is usually not enough if the existing wiring harness or front-panel legend must remain unchanged.
Can Grayhill 44HS30-02-1-04N be used in a sealed instrument or outdoor-style control panel?
Grayhill 44HS30-02-1-04N has shaft and panel sealing, which helps in enclosed equipment where dust ingress or incidental moisture is a concern. For harsher exposure, the enclosure design still needs to limit washdown, condensation, and corrosive atmospheres because the switch sealing is only one part of the protection chain. In practice, panel sealing is best treated as a compatibility feature for moderately demanding environments rather than a substitute for full environmental sealing.
What should I check if Grayhill 44HS30-02-1-04N feels mechanically compatible but the circuit behaves differently after replacement?
With Grayhill 44HS30-02-1-04N, a mechanical drop-in match does not guarantee the same circuit behavior because the contact timing is break-before-make and the internal deck/pole arrangement is specific. If a previous switch had make-before-break timing, a different pole count, or a different position indexing scheme, the transition behavior can change enough to create brief open circuits or altered state sequencing. The first items to compare are the contact diagram, position mapping, and the way the circuit tolerates the short disconnect during rotation.

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44HS30-02-1-04N

Grayhill Inc.

SWITCH ROTARY 125 DEG;C, SHAFT/P

In Stock: 558

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