SACE TMAX XT UL/CSA LOW VOLTAGE MOLDED CASE C I RCUI T- BRE AKERS UL4 89 AND CSA C2 2 . 2 STANDARDS
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— Operating mechanism
All rotary handles are available in two versions: • standard: grey color; • emergency color: red on a yellow background. Suitable for operating machine tools. Transmitted rotary handles can be ordered in the following ways: • by one single commercial code (for RHD, RHE, RHS L/R);
• by listing the commercial codes of the following three components (for RHE only): - the base of the rotary handle to be fixed onto the circuit-breaker (RHE_B or RHE_MB); - a 19.68in transmission rod (RHE_S). The minimum and maximum distances between the fixing plate and the door are 2.38in and 18.5in respectively; - a rotary handle on the compartment door with a normal standard handgrip (RHE_H, RHE_H LH) or emergency handgrip (RHE_H_EM, RHE_H_EM LH). To install the lateral rotary handle (RHS) on the XT5, the transmitted rotary handle (RHE code) and the con- version kit (from RHE to RHS) must be ordered. The use of the rotary handle is an alternative to the motor operator and to all accessories mounted on the front of the circuit-breaker. The rotary handles can be locked by means of a wide range of key locks and padlocks (see the Chapter "Safety and Protection" - section "Locks"). The direct and transmitted rotary handle operating mechanisms allow early closing auxiliary contacts to be used when closing to supply the undervoltage release before the circuit-breaker closes. For XT5, XT6 and XT7 there is a special version of the RHD and RHE_B with an additional padlock (2PLL). For XT1 and XT4 there is a special version of RHE with an additional padlock on the base (2PLL). For heavy duty applications, where a stronger solution is needed, the metallic base mechanism (RHE_MB) is available for XT1 to XT4. This base mechanism is completely in metal and is able to resist to a stronger appli- cation force. It has the padlock directly embedded on the base. It can be used with the RHE_S plus either RHE_H or RHE_LH in order to get the complete RHE solution. However, it can be used also with the OT han - dles and shafts available in the "Ordering Code" Chapter. Also a shaft support is available (RHE_SS) - as op - tional - to be used for RHE_MB only.
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