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UNISON
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Unison 901 PHT 24 40 420 AL5, Scr, Input 4-20ma, output 240V AC, 40 Amp
Regular price
₹1,195
Regular price
₹1,600
Sale price
₹1,195
Incl. all taxes • Shipping calculated at checkout.
Free delivery on orders above ₹3,000 · Delivery charges
Price excl. GST
₹1,012.71
GST @ 18% included in above product price
1-year manufacturer warranty · Burnt or wiring damage not covered · Warranty terms
🚚 Delivery in 2-3 days (Delhi NCR, UP & Haryana), 5-6 days elsewhere
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Description
901 PHT 24 40 420 AL5, a solid state relay (SSR) from Unison, verified against the manufacturer’s own datasheet. 4-20mA (100Ω) or 0-10VDC (560Ω) -- set by the last 3 digits of the order code control input, 230V AC (47-63Hz) output.
Control input
4-20mA (100Ω) or 0-10VDC (560Ω) -- set by the last 3 digits of the order code
Output rating
230V AC (47-63Hz)
Load current
12A @40°C without a heat sink (see datasheet for heat-sinked options)
PIV
800Vpk
About the photo: the product image is Unison’s own dimension drawing, shown with a heat sink attached for scale. The heat sink is sold separately and is not included with this purchase unless the title says otherwise.
Technical specifications
| Make | Unison |
| Model | 901 PHT 24 40 420 AL5 |
| Control input | 4-20mA (100Ω) or 0-10VDC (560Ω) -- set by the last 3 digits of the order code |
| Output rating | 230V AC (47-63Hz) |
| Load current | 12A @40°C without a heat sink (see datasheet for heat-sinked options) |
| PIV | 800Vpk |
| Body / I-O isolation | 4kV / 6kV for 1 min |
Note on load current: the amp number in a Unison model code is a switching/reference current class, not automatically the safe continuous load current. The figure above is what Unison’s own datasheet states for the heat sink shown — check the full datasheet for your exact operating conditions before sizing a load.
Frequently asked questions about the Unison 901 PHT 24 40 420 AL5
What is the load current rating of the 901 PHT 24 40 420 AL5?
12A @40°C without a heat sink (see datasheet for heat-sinked options), per Unison’s own datasheet.
What is the control input for the 901 PHT 24 40 420 AL5?
4-20mA (100Ω) or 0-10VDC (560Ω) -- set by the last 3 digits of the order code.
What output can the 901 PHT 24 40 420 AL5 switch?
230V AC (47-63Hz).
Where can I download the 901 PHT 24 40 420 AL5 datasheet?
You can download it from the datasheet section on this page: 901 PHT 24 40 420 AL5 datasheet.
Is the 901 PHT 24 40 420 AL5 genuine, and do you provide a GST invoice?
Yes. Voltkart is an authorised dealer of Unison, so you receive genuine Unison products, and every order comes with a GST invoice.
Can I order the 901 PHT 24 40 420 AL5 in bulk for OEM or wholesale use?
Yes, please send your quantity through our wholesale enquiry page or message us on WhatsApp 8800754881, and our team will help with a quote.
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