diff --git a/includes/discovery/functions.inc.php b/includes/discovery/functions.inc.php
index b9ae6243f0..4d86493af0 100644
--- a/includes/discovery/functions.inc.php
+++ b/includes/discovery/functions.inc.php
@@ -896,7 +896,15 @@ function get_device_divisor($device, $serial, $sensor)
         if ($sensor == 'current' || $sensor == 'frequencies') {
             if (version_compare($serial, '12.06.0068', '>=')) {
                 $divisor = 10;
-            } elseif (version_compare($serial, '12.04.0055', '>=')) {
+            } elseif (version_compare($serial, '12.04.0055', '=')) {
+                $divisor = 10;
+            } elseif (version_compare($serial, '12.04.0056', '>=')) {
+                $divisor = 1;
+            }
+        } elseif ($sensor == 'load') {
+            if (version_compare($serial, '12.06.0064', '=')) {
+                $divisor = 10;
+            } else {
                 $divisor = 1;
             }
         } elseif ($sensor == 'voltages') {
diff --git a/includes/discovery/sensors/frequencies/rfc1628.inc.php b/includes/discovery/sensors/frequencies/rfc1628.inc.php
index 88204ba39b..b3f92db133 100644
--- a/includes/discovery/sensors/frequencies/rfc1628.inc.php
+++ b/includes/discovery/sensors/frequencies/rfc1628.inc.php
@@ -12,10 +12,9 @@ for ($i = 1; $i <= $numPhase; $i++) {
     if ($numPhase > 1) {
         $descr .= " Phase $i";
     }
-
-    $current = (snmp_get($device, $freq_oid, '-Oqv') / 10);
-    $type    = 'rfc1628';
     $divisor = get_device_divisor($device, $pre_cache['poweralert_serial'], 'frequencies');
+    $current = (snmp_get($device, $freq_oid, '-Oqv') / $divisor);
+    $type    = 'rfc1628';
 
     $index = '3.2.0.'.$i;
     discover_sensor($valid['sensor'], 'frequency', $device, $freq_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
@@ -23,18 +22,18 @@ for ($i = 1; $i <= $numPhase; $i++) {
 
 $freq_oid = '.1.3.6.1.2.1.33.1.4.2.0';
 $descr    = 'Output';
-$current  = (snmp_get($device, $freq_oid, '-Oqv') / 10);
-$type     = 'rfc1628';
 $divisor = get_device_divisor($device, $pre_cache['poweralert_serial'], 'frequencies');
+$current  = (snmp_get($device, $freq_oid, '-Oqv') / $divisor);
+$type     = 'rfc1628';
 
 $index = '4.2.0';
 discover_sensor($valid['sensor'], 'frequency', $device, $freq_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
 
 $freq_oid = '.1.3.6.1.2.1.33.1.5.1.0';
 $descr    = 'Bypass';
-$current  = (snmp_get($device, $freq_oid, '-Oqv') / 10);
-$type     = 'rfc1628';
 $divisor = get_device_divisor($device, $pre_cache['poweralert_serial'], 'frequencies');
+$current  = (snmp_get($device, $freq_oid, '-Oqv') / $divisor);
+$type     = 'rfc1628';
 
 $index = '5.1.0';
 discover_sensor($valid['sensor'], 'frequency', $device, $freq_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
diff --git a/includes/discovery/sensors/load/rfc1628.inc.php b/includes/discovery/sensors/load/rfc1628.inc.php
index a586e13989..53a1523490 100644
--- a/includes/discovery/sensors/load/rfc1628.inc.php
+++ b/includes/discovery/sensors/load/rfc1628.inc.php
@@ -11,13 +11,14 @@ foreach (explode("\n", $oids) as $data) {
     if ($data) {
         list($oid,$descr) = explode(' ', $data, 2);
         $split_oid        = explode('.', $oid);
+        $divisor          = get_device_divisor($device, $pre_cache['poweralert_serial'], 'load');
         $current_id       = $split_oid[(count($split_oid) - 1)];
         $current_oid      = ".1.3.6.1.2.1.33.1.4.4.1.5.$current_id";
-        $current          = snmp_get($device, $current_oid, '-O vq');
+        $current          = (snmp_get($device, $current_oid, '-O vq') / $divisor);
         $descr            = 'Percentage load'.(count(explode("\n", $oids)) == 1 ? '' : ' '.($current_id + 1));
         $type             = 'rfc1628';
         $index            = (500 + $current_id);
 
-        discover_sensor($valid['sensor'], 'load', $device, $current_oid, $index, $type, $descr, '1', '1', null, null, null, null, $current);
+        discover_sensor($valid['sensor'], 'load', $device, $current_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
     }
 }