TRB Series
The TRB Series combines an isolated, 10A electromechanical relay output with analog timing circuitry. False trigger of the TRB by a transient is unlikely because of the complete isolation of the circuit from the line prior to initiation. The initiate contact is common to one side of the line and may be utilized to operate other loads. Installation is easy due to the TRB's industry standard 8 or 11-pin plug-in base wiring.
Operation (Delay-on-Break):
Input voltage must be applied before and during timing. Upon closure of the initiate switch, the output relay energizes. The time delay begins when the initiate switch is opened (trailing edge triggered). The output remains energized during timing. At the end of the time delay, the output de-energizes. The output will energize if the initiate switch is closed when input voltage is applied. Reset: Reclosing the initiate switch during timing resets the time delay. Loss of input voltage resets the time delay and output.
Features:
- Onboard adjustable time delays
- Fixed or adjustable delays from 0.05 - 600s in multiple ranges
- ±2% repeat accuracy
- AC and DC operating voltages are available
- Isolated, 10A, SPDT or DPDT output contacts
Auxiliary Products:
- Panel mount kit: P/N: BZ1
- Hold-down clips (sold in pairs):
- P/N: PSC8 (NDS-8)
- P/N: PSC11 (NDS-11)
- Octal 8-pin socket: P/N: NDS-8
- 11-pin socket: P/N: NDS-11
- Octal socket for UL listing: P/N: P1011-6
- External adjust potentiometers:
- P/N: P1004-XX
- P/N: P1004-XX-X
- Versa-knob: P/N: P0700-7
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