BR Series
TDR
Timing Mode:
Power to the device must be applied prior to
the delay cycle to initialize the heater. At the end of
this initial delay time the relay contacts transfer and
remain in a transferred state until input power is removed.
When the heater input power is removed, the contacts transfer
back to their original state at the end of a reset (release)
delay period.
Timing Diagram:
… Delay on Release timing mode
… Thermal device
… 3 AMP rating
… Low Cost
… 1 - 115V input voltage range - works on AC or
DC
… Isolated output Contacts
… Fixed delay times only
… Normally open or normally closed contacts
available
… Long life
… UL File #E96739 (M)
… CSA File #LR62586
Contact Information:
Arrangement:
1 form A (SPST - Normally open) - Delay on Make
1 form B (SPST - Normally closed) - Delay on Break
Contact Material: Silver - Cadmium Oxide
Rating (Resistive): 3A @ 115V AC
Expected Life @ 25° C: 500,000 operations minimum at rated loads
Environmental Information:
Temperature Range: Operating & storage: 34°C to +77°C, (-30°F to +171°F)
Mechanical Information:
Termination: 110 inch (standard), 250 inch or screw terminals (optional).
Enclosure: Black plastic case.
Mounting: Single screw or optional 2-screw panel mount
Weight: 0.8 oz (239) approx.
Outline Dimensions:
Timing Specifications:
Reset (Release) Timing - Fixed: 10 through 600 secs.
Initializing Timing - Fixed: Varies with release time - contact factory.
Timing Tolerance: ±20% - Tighter tolerances are available.
Repeatability:±5%
Initial Dielectric Strength:
Between open contacts: 500V RMS
Between contacts & coil: 500V RMS
Input Information:
Voltage: AC or DC - 6V, 12V, 26V, 50V and 115V (Other voltages are available)
Power Requirement: 2.3 Watts
Transient Protection: Impervious to transients
Polarity Protection: None required
Input Voltages & Limits:
Nominal Minimum
Maximum
6V AC/DC 4V 8V
12V AC/DC 10V 14V
26V AC/DC 22V 30V
50V AC/DC 42 58V
115V AC/DC
90V 130V
Wiring Diagrams:
Ordering Information:
Definition of a part number for the Amperite BR Series Time Delay Relay. Example:
A: Denotes nominal input voltage. Voltages Available: 6, 12, 26, 50 & 115V AC/DC.
Custom Voltages are available.
B: Denotes contact form:
NO = nominally open (Delay on Make) - 1 form A - SPST,
C = normally closed (Delay on Break) - 1 form B - SPST
C: Denotes initialization period timing value. This value varies with release time. Contact
factory.
D: Denotes reset (release) function of BR series
E: Denotes reset (release) timing value. Factory preset time delays from 10 - 600 secs.
are available
F: Denotes form of termination :
Blank = .110 male electro-plate solder terminals (standard),
X = .250 male quick connect terminals (optional),
S = screw terminals (optional).
G: Denotes use of thermal technology of BR Series.
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