Catalog 1308242
Issued 3-03
P&B
CB series
CMOS IC Tim e Delay Relay
• Choice of timing modes
– Delay on operate
– Delay on release
– Interval on with or without control switch
• Knob adjustable
• 10A output relay with SPDT or DPDT contacts
• Various models time from 0.1 sec. to 100 min.
File E22575
File LR15734
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that user also seek out the pertinent approvals files of
the agencies/laboratories and review them to ensure the product meets the
requirements for a given application.
Tim ing Modes
Contact Data @ 25°C
Delay on operate – Delay period begins when input voltage is applied. At
the end of the delay period, the relay will operate and will not release until
input voltage is removed. Reset occurs when input voltage is reapplied.
Arrangem ents: 2 Form C (DPDT), except 8-pin delay on release model
has 1 Form C (SPDT).
Material: Silver-cadmium oxide alloy.
Rating: 10A @ 30VDC or 277VAC, resistive; 1/2 HP @ 250VAC;
1/3 HP @ 120VAC.
Expected Mechanical Life: 10 million operations.
Expected Electrical Life: 100,000 operations, min., at rated load.
INPUT
VOLTAGE OFF
ON
N.O. RELAY ON
CONTACTS OFF
TIME
Delay on release – Input voltage must be applied continuously to operate
the internal relay. When the control switch is closed, the relay energizes.
When the control switch is opened, timing begins. When timing is
complete, the relay will de-energize. Time may be reset to zero during
timing by closing the control switch.
Initial Dielectric Strength
Betw een Open Contacts: 500V rms, 60 Hz.
Betw een All Other Conductors: 500V rms, 60 Hz.
CONTROL
SWITCH
ON
OFF
N.O. RELAY ON
CONTACTS OFF
TIME
Input Data @ 25°C
Voltage: 24 and 120VAC, and 12 and 24VDC.
Pow er Requirem ent: AC Types: Typically less than 3 VA.
DC Types: Typically less than 3 W.
Interval on (w ithout control sw itch) – The relay energizes and timing
begins when input voltage is applied. At the end of the time delay period
the relay will de-energize. Reset is accomplished by removing, then
reapplying, the input voltage.
Transient Protection: Yes.
Reverse Voltage Protection: Yes.
INPUT
VOLTAGE
ON
OFF
Input Voltages & Lim its @ 25°C
Voltage
Type
Nom inal
Voltage
Minim um
Voltage
Maxim um
Voltage
N.O. RELAY ON
CONTACTS OFF
TIME
Interval on (w ith control sw itch) – Input voltage must be applied
continuously to operate the internal relay. The relay energizes and timing
begins when the external switch is closed. At the end of the time delay
period the relay will de-energize. Reset is accomplished by opening and
reclosing the control switch.
AC
DC
24
120
20
105
28
130
12
24
11
20
13
32
Note: DC voltage must be filtered (5% p-p ripple max. at nom. voltage).
CONTROL
ON
AC models will operate on 50 or 60 Hz.
SWITCH
OFF
N.O. RELAY
CONTACTS
ON
OFF
TIME
Environm ental Data
Tem perature Range: Storage: -55°C to +85°C.
Operating: -10°C to +55°C.
Tim ing Specifications
Tim ing Ranges: From 0.1 to 1.0 sec. through 10 to 100 min.
Tim ing Adjustm ent: Knob adjustable.
Tolerance (for AC units add ±1/2 cycle 60 Hz.):
Knob Adj. Types: –0, +30% of max. specified at high end of timing range;
min. specified, or less, at low end.
Mechanical Data
Fixed Types: ±10% .
Res. Adj. Types: ±10% at high end of timing range; min. specified, or less,
Term ination: 8- or 11-pin octal style plug.
Enclosure: White plastic case. Knob adjustable types have dial scale for
reference only.
Sockets: Models with 8-pin base fit either 27E122 or 27E891 (snap-on)
screw terminal sockets. 11-pin types fit either 27E123 or
27E892 (snap-on) screw terminal sockets.
at low end.
Delta Tim e (for AC units add ±1 cycle 60 Hz.): ±10% .
Repeatability (for AC units add ±1 cycle 60 Hz.): ±2% .
Release Tim e: 60 ms, typ.; 100 ms, max.
Recycle Tim e: 60 ms, typ.; 100 ms, max.
Weight: 6 oz. (170g) approximately.
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
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