10Type-2 Electrical requirements#

10.1General#

Acceptable power supplies are the 230V ac mains, rechargeable batteries, solar power, and a portable generator. Where a combination of power sources is used, the changeover from one source to another shall be automatic.

10.2Mains power#

Where mains power is specified, provide an IP65 rated locking connector to enable the external power supply to be easily connected and disconnected from the sign, and surge protection and battery power supply in accordance with the requirements of Clause 10 of MRTS201 General Equipment Requirements and the relevant requirements of AS 4191.

10.3Solar power#

Where solar power is specified, the requirements defined in MRTS263 Standalone Solar (PV) Power Systems and the relevant requirements of AS 4191 apply to this Technical Specification.

Each sign shall also have the facility to be mains powered so the batteries can be charged before being deployed to site or while at site. This shall include a mains battery charger and an IP65 rated locking connector to enable the external power supply to be easily connected and disconnected from the sign. The relevant electrical requirements defined in Clause 10 of MRTS201 General Equipment Requirements apply.

10.4Generator power#

Where generator power is specified, the relevant electrical requirements defined in Clause 10 of MRTS201 General Equipment Requirements and the relevant requirements of AS 4191 apply to this Technical Specification.

10.5Type-2 Lantern electrical requirements#

The electrical requirements of traffic signal lantern aspects used in PTSSs shall be in accordance with the requirements of AS 2144, unless otherwise specified. Only 3 aspect (green, yellow, red) LED lanterns shall be used.

10.6Type-2 Lantern supply voltage#

The PTSS shall only use traffic signal lantern aspects that are 12V Direct Current (D.C.) lanterns as per AS 2144.

10.7Type-2 Lantern dimming#

Type-2 PTSS dimming requirements shall comply with the requirements set in AS 4191.