steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
2 months ago
311SM4-T
Honeywell 311SM4-T available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
All orders are subject to product availability. See our T&Cs.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Honeywell 311SM4-T is a versatile subminiature basic switch from the renowned MICRO SWITCH™ SM Series. Designed for precision on/off applications, this switch is ideal for a wide range of industries, including aerospace, medical, and HVAC equipment. It features a Single Pole Double Throw (SPDT) circuitry, a simulated roller actuator, and solder termination, ensuring reliable performance in various environments. With a compact size of 12.7 mm in height, 6.35 mm in width, and 20.3 mm in length, the 311SM4-T offers a robust solution with a 5 A ampere rating and a voltage capacity of 250 Vac. Its durable construction includes a general-purpose phenolic housing and silver contacts, providing long-lasting operation even in demanding conditions. The switch is globally available and meets several international standards, including CE, CSA, UL, and ENEC approvals, making it a trusted choice for engineers and designers seeking high-quality components.
| Specification | Description |
|---|---|
| Part Number | 311SM4-T |
| Manufacturer | Honeywell |
| Switch Type | MICRO SWITCH™ Subminiature |
| Dimensions | 12.7 mm H x 6.35 mm W x 20.3 mm L [0.5 in H x 0.25 in W x 0.8 in L] |
| Sealed | No |
| Ampere Rating | 5 A |
| Circuitry | Single Pole Double Throw (SPDT) |
| Actuator | Simulated Roller Lever |
| Termination | Solder |
| Operating Temperature Range | -55 °C to 125 °C [-67 °F to 257 °F] |
| Voltage | 250 Vac |
| Approvals | CE, CSA, UL, ENEC |
| Actuator Length | 6.38 mm [0.251 in] |
| Contact Type | Silver |
| Operating Force (O.F.) | 0.39 N [1.4 oz] max. |
| Release Force (R.F.) | 0.07 N [0.25 oz] max. |
| Pretravel (P.T.) | 2.16 mm [0.085 in] max. |
| Overtravel (O.T.) | 0.46 mm [0.018 in] min. |
| Differential Travel (D.T.) | 0.48 mm [0.019 in] max. |
| Operating Position (O.P.) | 11.7 mm ± 1.5 mm [0.460 in ± 0.060 in] |
| Housing Material | General Purpose Phenolic |
| High Temperature | 204 °C [400 °F] |
| CE Mark | 61058-1 |
| UL File Number | E12252 |
| CSA File Number | LR41372 |
| Agency Approvals and Standards | 1054 |
| Mounting Centers | 9.65 mm [0.38 in] |
| Maximum Tightening Torque | 0.26 N m [2.3 in lb] |
| Weight | 2.72 g [0.006 lb] |
| Package Dimensions | 12.4 mm H x 6.35 mm W x 19.8 mm L [0.49 in H x 0.25 in W x 0.78 in L] |
| Recommended For | 6.38 mm [0.251 in] simulated roller lever |
| Availability | Global |
| UNSPSC Code | 30211905 |
| UNSPSC Commodity | 30211905 Snap switches |
| Series Name | SM |
| Description | The Honeywell 311SM4-T is a subminiature basic switch designed for precision on/off applications. It features a simulated roller actuator and is ideal for use in aerospace, instrumentation, and various equipment applications. With its compact size and reliable performance, it offers a long operating life and is suitable for global use. |
What type of switch is this?
This is a MICRO SWITCH™ SM Series subminiature basic switch, designed for simple or precision on/off applications.
What are the key features of this switch?
Key features include a long operating life, an elongated mounting hole for easier and more accurate mounting, and a choice of actuation and electrical termination options.
What is the operating temperature range for this switch?
The operating temperature range is from -55 °C to 125 °C (-67 °F to 257 °F).
What is the ampere rating of this switch?
The switch has an ampere rating of 5 A.
What type of actuator does this switch use?
This switch uses a simulated roller lever actuator.
What are the potential applications for this switch?
Potential applications include aerospace, instrumentation, appliances, vending machines, timing devices, office equipment, computer/business equipment, test instruments, medical/dental equipment, communications equipment, HVAC equipment, manually operated devices, and valves.
What is the voltage rating for this switch?
The voltage rating for this switch is 250 Vac.
What approvals does this switch have?
This switch has CE, CSA, UL, and ENEC approvals.
What is the housing material of this switch?
The housing material is general purpose phenolic.
What is the operating force required for this switch?
The maximum operating force required is 0.39 N (1.4 oz).
- Aerospace applications for precise control and reliability
- Instrumentation for accurate measurement and monitoring
- Household appliances for efficient operation
- Vending machines for reliable product dispensing
- Timing devices for precise time management
- Office equipment for dependable functionality
- Computer and business equipment for seamless operation
- Test instruments for accurate testing and diagnostics
- Medical and dental equipment for reliable performance
- Communications equipment for consistent connectivity
- HVAC equipment for effective climate control
- Manually operated devices for user-friendly interaction
- Valves for precise flow control
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
4 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
4 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
4 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
4 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
5 months ago
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