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3G Electric
CRYDOM CMRD4845 DIN-Rail Mounted Solid State Relay - DIN-Rail Mounted Relays
CRYDOMDIN-Rail Mounted Relays

CRYDOM CMRD4845 DIN-Rail Mounted Solid State Relay

<p>The CRYDOM CMRD4845 is a DIN-rail mounted solid state relay designed for reliable AC switching in industrial applications. With a robust SCR output, it handles 48 to 530VAC and a maximum output current of 45A…

SKU 3G-OTH-36750

Also listed as: CMRD 4845 · CMRD-4845

Brand
CRYDOM
Item
CMRD4845 DIN-Rail Mounted Solid State Relay
Part Number
CMRD4845
Category
DIN-Rail Mounted Relays
Available to Order
Also known as:CMRD4845CRYDOM
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CRYDOM
Manufacturer Part Number
CMRD4845
Type
SCR, AC Output
Finger Safe
Yes
Current Type
DC
Input Current
30 mA
Mounting Style
DIN Rail
Output Voltage
48 to 530V AC
Max Output Current
45 A
Switch Configuration
Form A
Voltage/Current Type
AC Output
Electrical Connection
Cage Type
Maximum Output Current without Heat Sink
45 A

Technical Documents

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CRYDOM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The CRYDOM CMRD4845 is a DIN-rail mounted solid state relay designed for reliable AC switching in industrial applications. With a robust SCR output, it handles 48 to 530VAC and a maximum output current of 45A without a heat sink, making it suitable for high-power loads. Its finger-safe design and cage-type electrical connections ensure safe and secure wiring, while the Form A (SPST-NO) switch configuration simplifies integration.</p><p>This relay is ideal for process control, HVAC, and packaging machinery where silent, long-life switching is required. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia, with worldwide shipping available.</p>

Frequently Asked Questions

What is the maximum output current of the CMRD4845 without a heat sink?

The CMRD4845 can handle up to 45A without a heat sink, as specified in its datasheet.

Does the CMRD4845 support AC or DC input?

The CMRD4845 has a DC input (30 mA) and an AC output (48-530VAC), making it suitable for controlling AC loads with a DC control signal.

Used in

Common applications for CRYDOM
Industrial burner control — CRYDOM CL240A10C SSR for modulating gas valve actuation
Pump motor switching — CRYDOM C53TP25CH-10 SSR for single-phase AC motor start/stop
Process heating — CRYDOM EL240A10R-05 SSR for electric heater bank control
DIN-rail thermal management — CRYDOM HS151DR heat sink with fan for SSR cooling in control panels
Three-phase load switching — CRYDOM CD2450W2V dual SSR for two-phase control in industrial ovens
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CRYDOM Products

3G Electric supplies CRYDOM din-rail mounted relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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DIN-rail mounted solid state relay with integral heat sink and SCR output. Switches AC loads from 48 to 600 VAC. Suitable for industrial automation, HVAC, and process control applications requiring silent, fast switching without mechanical contacts
CRYDOM
DIN-rail mounted solid state relay with integral heat sink and SCR output. Switches AC loads from 48 to 600 VAC. Suitable for industrial automation, HVAC, and process control applications requiring silent, fast switching without mechanical contacts

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