HanYoung
Taisee
Eurotherm
All Brands
- a
- b
- c
- d
- e
- f
- g
- h
- i
- j
- k
- l
- m
- n
- o
- p
- q
- r
- s
- t
- u
- v
- w
- x
- y
- z
- 3
- 7
Fast Track to a Quote
1/4
Certification | Testing
Factory Certified
Refund guarantee
24h refund guarantee
Secure Payment
PayPal Verified
Brand New
In Stock
Best Seller
Autonics Temperature Controller TK4H-A4SN
23 inquiries last 6 mos.
US $ 161 .54 / ea
Registered Members Enjoy Exclusive Discounts
Quantity
2
Payment Methods
Need a Same-Day Quote?
Send your PO or PDF list directly to our specialists now
Need help confirming model compatibility?
Get fast and efficient assistance from our experienced technical sales and customer service teams. No question is too small, and no problem is too big.
100% Original
Genuine OEM Parts
Fast Delivery
Shipped via FedEx / DHL / UPS
12-Month Warranty
Worry-Free Coverage
Secure Packaging
Safe & Reliable
5,000+ Global Suppliers
Trusted by Professionals
Professional Model-Matching System
Send us your model numbers or nameplate details.
We will match your request with our 5,000+ verified suppliers and issue a quotation.
50ms high-speed sampling rate and +0.3% display accuracy.
Simultaneous heating and cooling control function (patent).
Switch between current output and SSR drive output.
SSR drive output (SSRP function) control options: ON/OFF control, cycle control, phase control.
Communication output models available : RS485 (Modbus RTU).
Parameter configuration via PC (RS485 communication).
DAQMaster software included (comprehensive device management software).
Communication converter sold separately : SCM-US (USB to serial converter), SCM38I (RS-232C to RS485 converter), SCM-US48I (USB to RS485 converter).
User-friendly parameter features.
Heater disconnect alarm function (CT input).
Current transformer (CT) sold separately : CSTC-E8OLN, CSTC-E200LN.
SV preset function (up to 4 set values) using digital input terminals.
Available in various DIN sizes : (48X 24, 48X48, 72X72, 96X48, 48X96, 96X96mm).
Why Global Buyers Choose O&Kmarts
O&Kmarts:
- Access to a wide range of SKUs across multiple brands and series
- One RFQ connects you to 5,000+ global supplier quotes
- Better availability for urgent and hard-to-find parts
- Faster global delivery via FedEx / DHL / UPS
- Easier access to rare and high-value models
- Flexible sourcing for individual parts or complete solutions
- Lower MOQs and more adaptable buying options
- Multi-brand procurement in one order
- OEM replacement and alternative model solutions available
- Fewer intermediaries, ensuring more competitive pricing
Why Global Buyers Choose O&Kmarts
Local Suppliers:
- Limited to fast-moving SKUs only
- Limited local market availability
- Inventory frequently fails to meet urgent demand
- Long replenishment cycles, often taking weeks
- Rarely stock high-value compressors (e.g. Copeland YHV119)
- Frequently require bundled purchases
- Rigid and difficult MOQ negotiations
- Limited brand selection
- Minimal or no customization capability
- Higher local distribution and markup costs
Top Questions from OKmarts Buyers
Q: Can OKmarts issue formalized, compliant proforma invoices and commercial invoices tailored for corporate accounting?
A: Absolutely. Our automated billing system generates itemized Proforma Invoices (PI) and Commercial Invoices containing corporate tax IDs, purchase order (PO) numbers, and explicit company details necessary to satisfy international corporate accounting and auditing standards.
Q: What financial protections do I have if the shipped goods do not match the ordered part numbers or technical specifications?
A: OKmarts operates under a strict Order Accuracy Guarantee. If the part numbers delivered do not match your approved Proforma Invoice or Purchase Order due to our fulfillment error, we will issue a full refund or expedite a replacement shipment immediately, covering all return international freight charges.
Q: How does OKmarts ensure consistent communication across different global time zones?
A: We operate an international sales and support desk that covers major global operating hours. Every corporate buyer is assigned a dedicated Account Manager who coordinates cross-border communications, ensuring that urgent technical queries or logistics issues are answered regardless of the time difference.
TK4H-A4SN
Autonics Temperature Controller TK4H-A4SN - autonics - temperature-controller
High Efficiency
Stable Performance
Long Service Life
Related Products
Q&A
The field is empty. Please enter some content before clicking Send
Q: Can I pre-order items that are not yet released?
A: Yes, we may offer pre-order options for certain items that are not yet released. Pre-ordering allows you to secure your item in advance, and we will ship it to you as soon as it becomes available.
Q: Do I need to pay for shipping when returning a product?
A: According to our return policy, if the return is due to product quality issues or our mistake, we will cover the return shipping fee. If it's for other reasons, the return shipping fee may be borne by you. Please refer to our return policy for specific details.
Q: How to apply for an extended warranty on a product?
A: Applying for an extended warranty is simple. During the purchasing process, you can choose to extend the warranty period for eligible products. Just select the desired warranty period, and it will be added to your purchase.
Customer reviews
4.8
Based on 5 reviews
5
4
4
1
3
0
2
0
1
0
Apr 26, 2026
Ray LawsonAlmost time to get my new stuff. TK4H-A4SN is clutchHelpful?(10)(0)Sep 18, 2025
Wendy WestPerfectly described, quick shipment, and a wonderful price! TK4H-A4SN is clutchHelpful?(0)(0)