C Series TDR
… Solid state analog circuitry
… Delay on operate timing mode
… Compact size
… Relay output with SPST or SPDT contacts
… Timing selection: Fixed or knob adjustable
… Numerous models timing from 0.1 secs. to 300 secs.
… UL File #E96739 (M)
… CSA File #LR62586-3
Timing Mode:
Delay on operate timing cycle begins upon application of input power. The relay contacts
transfer at the end of the delay period and will remain transferred until input voltage is
removed. Reset occurs when input voltage is removed.
Timing Diagram:
Contact Information:
Arrangement:
1 form A (SPST Normally open) - Diagram A
1 form B (SPST Normally closed) - Diagram A
1 form C (SPDT) - Diagram B
Max. switching power 30W, 50VA
Contact Rating (Resistive)
UL/CSA Rating 0.5A AC; 1A 30V, DC
Expected Life @ 25°C: 100,000 operations minimum at rated loads
Max. switching voltage 60V DC, 125V AC
Max. switching current 1A DC, AC
Max. carrying current .05A AC; 1A 30V DC
Environmental Information
Temperature Range: Operating and storage: -25°C to +60°C, (-13°F to +140°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 (23g) approx.
Outline Dimensions:
Timing Specifications:
Timing - Fixed: 0.1 through 300 secs.
Timing Ranges: 0.1 - 60, 60 - 120, 120 - 180, 180 - 240, 240 - 300 secs. Custom timing is
available.
Timing Adjustment: Knob adjustable potentiometer.
Timing Tolerance: Fixed Units: ±5%. Adjustable Units: -0 to +25% of maximum
specified delay time.
Minimum specified value or less at low end.
Repeatability: ±5%
Release Time: 60 ms typical, 100 ms maximum.
Timing Cycle Interrupt Transfer: None.
Initial Dielectric Strength:
Between open contacts: 500V RMS, between contacts & coil: 500V RMS.
Input Information:
Voltage: AC units- 12V, 24V, and 115V
DC units- 12V, 24V, 48V and 110V. 0ther voltages are available
Power Requirement: AC units: 3 VA or less. DC units: 3 Watts or less.
Polarity Protection: On DC units - Yes.
Input Voltages & Limits:
Nominal Minimum Maximum
12V AC 10V 14V
24V AC 20V 28V
115V AC
105V 130V
12V DC 11V 14V
24V DC 20V 32V
48V DC 41V 55V
110V DC
95V 125V
Wiring Diagrams:
Ordering Information:
Definition of a part number for the Amperite C Series Time Delay Relay. Example:
A: Denotes nominal input voltage. Voltages Available: 12, 24, 115V AC; 12, 24, 48,
110V DC. Custom Voltages are available.
B: Denotes type of input current required for operation: A = AC - Alternating Current; D
= DC - Direct Current.
C: Denotes contact form: NO= SPST - 1 form A, C = SPST - 1 form B. SPDT = 1 form
C
D & E: Denotes range of knob adjustability for timing (in seconds) where:
D = Minimum time delay.
E = Maximum time delay for adjustable TDR'S.
Note:
1.) Ranges Available: 0.1 - 60, 60 - 120, 120 - 180, 180 - 240, 240 - 300 secs. Custom
timing is available.
2.) Both values (D & E) can be replaced by a single value for a factory preset time delay
in seconds from 0.1 through 300 secs.
F: Denotes form of termination - blank = .110 male electro-plate solder terminals
(standard), X = .250 male quick connect terminals (optional), S = screw terminals.
G: Denotes use of solid-state analog circuitry of C Series.
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