The Citel product with reference number 640221 appears to be part of their surge protection device (SPD) lineup.
The Citel product with reference number 640221 appears to be part of their surge protection device (SPD) lineup, though the exact model name isn't directly listed. Here's what we can gather based on related product families and specifications:
Citel's 640221 reference is associated with their AC power surge protection devices, possibly from the DS71US series, which are DIN rail-mounted SPDs designed for industrial and commercial electrical panels.
Key Features (based on DS71US series)
Surge Current Rating: Up to 75kA per module
Technology: Multi-MOV (Metal Oxide Varistor)
UL Type: UL1449 5th Edition, Type 1 Listed
Voltage Protection Rating (VPR): 700V
Maximum Continuous Operating Voltage (MCOV): 210V
Connection: Screw terminal, supports solid and stranded wires
Mounting: DIN rail
Diagnostics: Visual fault indicator and remote contacts
Fail-Safe Behavior: No upstream overcurrent protection required
Environmental Ratings: NEMA 2 (IP20), -40 C to +85 C, 95% humidity
