Features:
- Operates on an approved EPPS intrinsically safe external power supply arrangement.
- Provides onboard dual BCD rotary switches for precise purge timing cycle adjustments up to 99 minutes.
- Features 4 surface-mounted status LEDs for real-time visual system feedback.
The EXPO ETM-IS51-113 is configured with plate-mounted hardware (Code 1), an Ex-certified EPPS power option (Code 5), 4 diagnostic LEDs (Code 1), and a maximum timing range option of 99 minutes (Code 13).
Designed for installation inside hazardous area enclosures, the EXPO ETM-IS51-113 governs pre-start ventilation timing and interlock logic within Expo MiniPurge ET system architectures before high-voltage electrical equipment is powered.
Proper installation requires verifying intrinsically safe EPPS wiring orientation, establishing correct BCD switch time settings, and ensuring strict compliance with system control drawings during maintenance or commissioning.
The EXPO ETM-IS51-113 is available for ordering with full technical documentation and global supply support by the manufacturer (OEM).
EXPO ETM-IS51-113 Intrinsically Safe Electronic Timer Module Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Provides pre-start purge and pressurization timing for hazardous area electrical enclosures.
- Controls pre-energization ventilation cycles in Zone 1 and Zone 2 analyzer shelters.
- Manages safety timing interlocks for paint spray booth control equipment cabinets.
- Features 4 onboard surface-mounted LEDs to provide immediate visual operational status feedback.
- Designed under Intrinsic Safety (Ex ia) protection concepts for safe operation in hazardous atmospheres.
- Protects internal circuitry against improper hazardous area power levels through certified EPPS integration.
- Interacts directly with external enclosure enable switches to control the purge sequence timing logic.
- Provides solid-state logic output signals to govern solenoid valve circuits and pre-start ventilation.
- Ensures power interlocks remain active until the full pre-set purging duration has successfully elapsed.
- Operates reliably within a broad ambient temperature range of -20°C to +55°C (-4°F to +131°F).
- Tolerates relative humidity levels up to 95% non-condensing within protected cabinet environments.
- Maintains internal IP20 component protection when housed inside IP66-rated MiniPurge enclosures.