• 12 V dc at 500 mA output option (Ex d version)
• 7.5 dc at 1500 mA output option (open-chassis version)
• Robust Ex d housing version for use in Group I hazardous areas
• Open chassis version for OEM application in safe areas & explosion protected apparatus only
• Available with four intrinsically safe control relays for isolated switching of external apparatus to save the cost and installation of a separate Ex d relay unit
• Choice of  110 V ac or 230 V ac input voltages

• Choice of 110 V ac or 230 V ac input voltage
• Output Current: 900 mA at 12 V dc
• Certified Intrinsically Safe for use in Group I hazardous areas
• Available in a robust, flameproof housing or an open chassis version for OEM applications
• Both versions available with four intrinsically safe isolation relays for switching remote Exd devices

• • Robust stainless steel housing
• Regulated output is current limited and has continuous short circuit protection
• 3.5 Ah back-up battery with automatic uninterrupted power transfer
• 12 V, 750 mA Ex ia Ma certified output
• Analogue output signal to show battery charge status
• Volt-free contact to show mains input status

• Robust stainless steel housing
• Regulated output is current limited and has continuous short circuit protection
• 25 Ah back-up battery with automatic uninterrupted power transfer
• 12 V, 750 mA Ex ia Ma certified output
• Analogue output signal to show battery charge status
• Volt-free contact to show mains input status
• Can remain on standby battery power in Ex ia Ma area conditions
• Available power can be remotely monitored via the battery charge analogue output signal
• ac mains failure can be remotely monitored via a volt-free output contact
• Spacious termination facilities to connect heavy-duty mining cables
• Sealed unit requires no user maintenance or examination
• Ex eq certification eliminates any maintenance costs of Ex d style enclosures

• The operating coils of the relays are Intrinsically Safe and the contacts are clearance compatible for switching non- intrinsically safe apparatus or devices in separate Exd enclosures
• The connecting terminals of the relay are Exe standard
• Robust stainless steel housing couples directly to standard Trolex housings using a Trolex coupling bush
• The relay coils can be rated for either 7.5 V dc or 12 V dc operation and each relay carries 1 x changeover contact

TX6626 Intrinsically Safe Power Supply with Ex d Housing

TX6635-6 Intrinsically Safe Power Supply with Open Chassis

TX6648 UPS with Intrinsically Safe Output & 3.5 Ah Battery Backup

TX6649 UPS with Intrinsically Safe Output & 25 Ah Battery Backup

TX6661 Intrinsically Safe Isolating Relay Unit

TX6641 Intrinsically Safe Power Supply 900 mA 12 v dc Output with Ex d Housing

TX6642 Intrinsically Safe Power Supply 900 mA 12 v dc Output with Open Chassis

TX6648 UPS with Intrinsically Safe Output & 3.5 Ah Battery Backup

TX6649 UPS with Intrinsically Safe Output & 25 Ah Battery Backup

TX6661 Intrinsically Safe Isolating Relay Unit