G4A01172C THERMODISC, G4A01172C Datasheet - Page 3

FUSE, THERMAL, 10A, 172 C

G4A01172C

Manufacturer Part Number
G4A01172C
Description
FUSE, THERMAL, 10A, 172 C
Manufacturer
THERMODISC
Series
MICROTEMPr
Datasheet

Specifications of G4A01172C

Voltage Rating Vac
250V
Fuse Current
10A
Terminal Type
Wire Leads
Actuating Temperature Max
172°C
Approval Bodies
BEAB, CSA, FEMKO, UL, VDE,
Body Diameter
4mm
Breakdown Voltage
RoHS Compliant
Breakdown Voltage Vbr
1200V
Rohs Compliant
Yes
MICROTEMP
Upper Limit Temperature Protection
MICROTEMP
for upper limit temperature protection. Known as a thermal fuse, thermal link, or TCO, the
MICROTEMP
circuit when operating temperatures exceed the rated temperature of the cutoff.
MICROTEMP
• One-shot operation cuts off electrical power
• Current interrupt capacity up to 25 amps @ 250VAC
• Low resistance
• Compact size
Operating Principle of the MICROTEMP
The active trigger mechanism of the thermal cutoff is an exclusively formulated, electrically
nonconductive pellet. Under normal operating temperatures, the solid pellet holds spring-loaded
contacts closed.
When a predetermined temperature is reached, the pellet melts, allowing the compression spring
to relax. The trip spring then slides the contact away from the lead and the circuit is opened (see
figures 1 and 2).
After a MICROTEMP
replacement procedure must include correction of the fault condition before the product is
operated again.
INTRODUCTION
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Thermal Cutoffs:
thermal cutoffs from Therm-O-Disc offer an accurate, reliable solution to the need
thermal cutoff provides protection against overheating by interrupting an electrical
Features:
®
thermal cutoff opens a circuit, the TCO needs to be replaced. This
®
TCO
135

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