Model: RY1B1A121

Thermal Relay

Properties:

Overall Length
Between 2.350 inches and 2.390 inches
Overall Diameter
Between 0.760 inches and 0.800 inches
Contact Arrangement
Single pole, single throw, normally open
Mounting Facility Type And Quantity
2 unthreaded hole
Contact Maximum Voltage Rating In Volts
250.0 ac and 32.0 dc
Contact Maximum Current Rating In Amps
0.125 dc
Heater Voltage Rating In Volts
28.0
Heater Power Rating In Watts
4.5
Delay Time In Seconds
Between 3.0 adjustable operate and 180.0 adjustable operate
Test Data Document
81349-mil-r-19648 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
7 wire hook
Specification Data
81349-mil-r-19648/1 government specification
NSN
5945-00-881-5557
Part Number
RY1B1A121
Description
Relay,thermal
CAGE
81349

Part RY1B1A121 NSN 5945-00-881-5557

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03883
FIIG:
A500L0
Concept No.:
1
App. Key:
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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